20216879928

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{20903}}^1$

素因数の和:21042

約数の個数: 192

約数和(自身を含む): 66524889600

約数和(自身を除く): 46308009672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 101, 114, 126, 133, 152, 168, 171, 202, 228, 252, 266, 303, 342, 399, 404, 456, 504, 532, 606, 684, 707, 798, 808, 909, 1064, 1197, 1212, 1368, 1414, 1596, 1818, 1919, 2121, 2394, 2424, 2828, 3192, 3636, 3838, 4242, 4788, 5656, 5757, 6363, 7272, 7676, 8484, 9576, 11514, 12726, 13433, 15352, 16968, 17271, 20903, 23028, 25452, 26866, 34542, 40299, 41806, 46056, 50904, 53732, 62709, 69084, 80598, 83612, 107464, 120897, 125418, 138168, 146321, 161196, 167224, 188127, 241794, 250836, 292642, 322392, 376254, 397157, 438963, 483588, 501672, 585284, 752508, 794314, 877926, 967176, 1170568, 1191471, 1316889, 1505016, 1588628, 1755852, 2111203, 2382942, 2633778, 2780099, 3177256, 3511704, 3574413, 4222406, 4765884, 5267556, 5560198, 6333609, 7148826, 8340297, 8444812, 9531768, 10535112, 11120396, 12667218, 14297652, 14778421, 16680594, 16889624, 19000827, 22240792, 25020891, 25334436, 28595304, 29556842, 33361188, 38001654, 40112857, 44335263, 50041782, 50668872, 59113684, 66722376, 76003308, 80225714, 88670526, 100083564, 118227368, 120338571, 133005789, 152006616, 160451428, 177341052, 200167128, 240677142, 266011578, 280789999, 320902856, 354682104, 361015713, 481354284, 532023156, 561579998, 722031426, 842369997, 962708568, 1064046312, 1123159996, 1444062852, 1684739994, 2246319992, 2527109991, 2888125704, 3369479988, 5054219982, 6738959976, 10108439964, 20216879928]

約数ペア:

[(1, 20216879928), (2, 10108439964), (3, 6738959976), (4, 5054219982), (6, 3369479988), (7, 2888125704), (8, 2527109991), (9, 2246319992), (12, 1684739994), (14, 1444062852), (18, 1123159996), (19, 1064046312), (21, 962708568), (24, 842369997), (28, 722031426), (36, 561579998), (38, 532023156), (42, 481354284), (56, 361015713), (57, 354682104), (63, 320902856), (72, 280789999), (76, 266011578), (84, 240677142), (101, 200167128), (114, 177341052), (126, 160451428), (133, 152006616), (152, 133005789), (168, 120338571), (171, 118227368), (202, 100083564), (228, 88670526), (252, 80225714), (266, 76003308), (303, 66722376), (342, 59113684), (399, 50668872), (404, 50041782), (456, 44335263), (504, 40112857), (532, 38001654), (606, 33361188), (684, 29556842), (707, 28595304), (798, 25334436), (808, 25020891), (909, 22240792), (1064, 19000827), (1197, 16889624), (1212, 16680594), (1368, 14778421), (1414, 14297652), (1596, 12667218), (1818, 11120396), (1919, 10535112), (2121, 9531768), (2394, 8444812), (2424, 8340297), (2828, 7148826), (3192, 6333609), (3636, 5560198), (3838, 5267556), (4242, 4765884), (4788, 4222406), (5656, 3574413), (5757, 3511704), (6363, 3177256), (7272, 2780099), (7676, 2633778), (8484, 2382942), (9576, 2111203), (11514, 1755852), (12726, 1588628), (13433, 1505016), (15352, 1316889), (16968, 1191471), (17271, 1170568), (20903, 967176), (23028, 877926), (25452, 794314), (26866, 752508), (34542, 585284), (40299, 501672), (41806, 483588), (46056, 438963), (50904, 397157), (53732, 376254), (62709, 322392), (69084, 292642), (80598, 250836), (83612, 241794), (107464, 188127), (120897, 167224), (125418, 161196), (138168, 146321)]