20657181952

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:313

約数の個数: 216

約数和(自身を含む): 46976025600

約数和(自身を除く): 26318843648

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 89, 118, 121, 127, 128, 176, 178, 236, 242, 254, 256, 352, 356, 472, 484, 508, 649, 704, 712, 944, 968, 979, 1016, 1298, 1397, 1408, 1424, 1888, 1936, 1958, 2032, 2596, 2794, 2816, 2848, 3776, 3872, 3916, 4064, 5192, 5251, 5588, 5696, 7139, 7493, 7552, 7744, 7832, 8128, 10384, 10502, 10769, 11176, 11303, 11392, 14278, 14986, 15104, 15367, 15488, 15664, 16256, 20768, 21004, 21538, 22352, 22606, 22784, 28556, 29972, 30734, 30976, 31328, 32512, 41536, 42008, 43076, 44704, 45212, 57112, 57761, 59944, 61468, 62656, 82423, 83072, 84016, 86152, 89408, 90424, 114224, 115522, 119888, 122936, 124333, 125312, 164846, 166144, 168032, 172304, 178816, 180848, 228448, 231044, 239776, 245872, 248666, 250624, 329692, 336064, 344608, 357632, 361696, 456896, 462088, 479552, 491744, 497332, 635371, 659384, 666877, 672128, 689216, 723392, 906653, 913792, 924176, 959104, 983488, 994664, 1270742, 1318768, 1333754, 1344256, 1367663, 1378432, 1446784, 1813306, 1827584, 1848352, 1918208, 1966976, 1989328, 2541484, 2637536, 2667508, 2735326, 2756864, 2893568, 3626612, 3696704, 3933952, 3978656, 5082968, 5275072, 5335016, 5470652, 7253224, 7335647, 7393408, 7957312, 10165936, 10550144, 10670032, 10941304, 14506448, 14671294, 14786816, 15914624, 20331872, 21100288, 21340064, 21882608, 29012896, 29342588, 31829248, 40663744, 42680128, 43765216, 58025792, 58685176, 80692117, 81327488, 85360256, 87530432, 116051584, 117370352, 161384234, 162654976, 170720512, 175060864, 232103168, 234740704, 322768468, 350121728, 469481408, 645536936, 938962816, 1291073872, 1877925632, 2582147744, 5164295488, 10328590976, 20657181952]

約数ペア:

[(1, 20657181952), (2, 10328590976), (4, 5164295488), (8, 2582147744), (11, 1877925632), (16, 1291073872), (22, 938962816), (32, 645536936), (44, 469481408), (59, 350121728), (64, 322768468), (88, 234740704), (89, 232103168), (118, 175060864), (121, 170720512), (127, 162654976), (128, 161384234), (176, 117370352), (178, 116051584), (236, 87530432), (242, 85360256), (254, 81327488), (256, 80692117), (352, 58685176), (356, 58025792), (472, 43765216), (484, 42680128), (508, 40663744), (649, 31829248), (704, 29342588), (712, 29012896), (944, 21882608), (968, 21340064), (979, 21100288), (1016, 20331872), (1298, 15914624), (1397, 14786816), (1408, 14671294), (1424, 14506448), (1888, 10941304), (1936, 10670032), (1958, 10550144), (2032, 10165936), (2596, 7957312), (2794, 7393408), (2816, 7335647), (2848, 7253224), (3776, 5470652), (3872, 5335016), (3916, 5275072), (4064, 5082968), (5192, 3978656), (5251, 3933952), (5588, 3696704), (5696, 3626612), (7139, 2893568), (7493, 2756864), (7552, 2735326), (7744, 2667508), (7832, 2637536), (8128, 2541484), (10384, 1989328), (10502, 1966976), (10769, 1918208), (11176, 1848352), (11303, 1827584), (11392, 1813306), (14278, 1446784), (14986, 1378432), (15104, 1367663), (15367, 1344256), (15488, 1333754), (15664, 1318768), (16256, 1270742), (20768, 994664), (21004, 983488), (21538, 959104), (22352, 924176), (22606, 913792), (22784, 906653), (28556, 723392), (29972, 689216), (30734, 672128), (30976, 666877), (31328, 659384), (32512, 635371), (41536, 497332), (42008, 491744), (43076, 479552), (44704, 462088), (45212, 456896), (57112, 361696), (57761, 357632), (59944, 344608), (61468, 336064), (62656, 329692), (82423, 250624), (83072, 248666), (84016, 245872), (86152, 239776), (89408, 231044), (90424, 228448), (114224, 180848), (115522, 178816), (119888, 172304), (122936, 168032), (124333, 166144), (125312, 164846)]