20516409584

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 47876935680

約数和(自身を除く): 27360526096

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 89, 92, 121, 124, 167, 176, 178, 184, 242, 248, 253, 334, 341, 356, 368, 484, 496, 506, 668, 682, 712, 713, 968, 979, 1012, 1336, 1364, 1424, 1426, 1837, 1936, 1958, 2024, 2047, 2672, 2728, 2759, 2783, 2852, 3674, 3751, 3841, 3916, 4048, 4094, 5177, 5456, 5518, 5566, 5704, 7348, 7502, 7682, 7832, 7843, 8188, 10354, 10769, 11036, 11132, 11408, 14696, 14863, 15004, 15364, 15664, 15686, 16376, 20207, 20708, 21538, 22072, 22264, 22517, 29392, 29726, 30008, 30349, 30728, 31372, 32752, 40414, 41416, 42251, 43076, 44144, 44528, 45034, 56947, 59452, 60016, 60698, 61456, 62744, 63457, 80828, 82832, 84502, 86152, 86273, 90068, 113894, 118904, 119071, 121396, 125488, 126914, 161656, 163493, 169004, 172304, 172546, 180136, 227788, 237808, 238142, 242792, 247687, 253828, 323312, 326986, 333839, 338008, 341849, 345092, 360272, 455576, 460753, 464761, 476284, 485584, 495374, 507656, 626417, 653972, 667678, 676016, 683698, 690184, 698027, 911152, 921506, 929522, 952568, 990748, 1015312, 1252834, 1307944, 1309781, 1335356, 1367396, 1380368, 1396054, 1798423, 1843012, 1859044, 1905136, 1981496, 2505668, 2615888, 2619562, 2670712, 2734792, 2792108, 3596846, 3686024, 3718088, 3760339, 3962992, 5011336, 5068283, 5239124, 5341424, 5469584, 5584216, 7193692, 7372048, 7436176, 7520678, 7678297, 10022672, 10136566, 10478248, 10597319, 11168432, 14387384, 14407591, 15041356, 15356594, 20273132, 20956496, 21194638, 28774768, 28815182, 30082712, 30713188, 40546264, 41363729, 42389276, 55751113, 57630364, 60165424, 61426376, 81092528, 82727458, 84778552, 111502226, 115260728, 116570509, 122852752, 165454916, 169557104, 223004452, 230521456, 233141018, 330909832, 446008904, 466282036, 661819664, 892017808, 932564072, 1282275599, 1865128144, 2564551198, 5129102396, 10258204792, 20516409584]

約数ペア:

[(1, 20516409584), (2, 10258204792), (4, 5129102396), (8, 2564551198), (11, 1865128144), (16, 1282275599), (22, 932564072), (23, 892017808), (31, 661819664), (44, 466282036), (46, 446008904), (62, 330909832), (88, 233141018), (89, 230521456), (92, 223004452), (121, 169557104), (124, 165454916), (167, 122852752), (176, 116570509), (178, 115260728), (184, 111502226), (242, 84778552), (248, 82727458), (253, 81092528), (334, 61426376), (341, 60165424), (356, 57630364), (368, 55751113), (484, 42389276), (496, 41363729), (506, 40546264), (668, 30713188), (682, 30082712), (712, 28815182), (713, 28774768), (968, 21194638), (979, 20956496), (1012, 20273132), (1336, 15356594), (1364, 15041356), (1424, 14407591), (1426, 14387384), (1837, 11168432), (1936, 10597319), (1958, 10478248), (2024, 10136566), (2047, 10022672), (2672, 7678297), (2728, 7520678), (2759, 7436176), (2783, 7372048), (2852, 7193692), (3674, 5584216), (3751, 5469584), (3841, 5341424), (3916, 5239124), (4048, 5068283), (4094, 5011336), (5177, 3962992), (5456, 3760339), (5518, 3718088), (5566, 3686024), (5704, 3596846), (7348, 2792108), (7502, 2734792), (7682, 2670712), (7832, 2619562), (7843, 2615888), (8188, 2505668), (10354, 1981496), (10769, 1905136), (11036, 1859044), (11132, 1843012), (11408, 1798423), (14696, 1396054), (14863, 1380368), (15004, 1367396), (15364, 1335356), (15664, 1309781), (15686, 1307944), (16376, 1252834), (20207, 1015312), (20708, 990748), (21538, 952568), (22072, 929522), (22264, 921506), (22517, 911152), (29392, 698027), (29726, 690184), (30008, 683698), (30349, 676016), (30728, 667678), (31372, 653972), (32752, 626417), (40414, 507656), (41416, 495374), (42251, 485584), (43076, 476284), (44144, 464761), (44528, 460753), (45034, 455576), (56947, 360272), (59452, 345092), (60016, 341849), (60698, 338008), (61456, 333839), (62744, 326986), (63457, 323312), (80828, 253828), (82832, 247687), (84502, 242792), (86152, 238142), (86273, 237808), (90068, 227788), (113894, 180136), (118904, 172546), (119071, 172304), (121396, 169004), (125488, 163493), (126914, 161656)]