20730638864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{180883}}^1$

素因数の和:180952

約数の個数: 80

約数和(自身を含む): 47102193600

約数和(自身を除く): 26371554736

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 208, 232, 247, 304, 377, 464, 494, 551, 754, 988, 1102, 1508, 1976, 2204, 3016, 3952, 4408, 6032, 7163, 8816, 14326, 28652, 57304, 114608, 180883, 361766, 723532, 1447064, 2351479, 2894128, 3436777, 4702958, 5245607, 6873554, 9405916, 10491214, 13747108, 18811832, 20982428, 27494216, 37623664, 41964856, 44678101, 54988432, 68192891, 83929712, 89356202, 99666533, 136385782, 178712404, 199333066, 272771564, 357424808, 398666132, 545543128, 714849616, 797332264, 1091086256, 1295664929, 1594664528, 2591329858, 5182659716, 10365319432, 20730638864]

約数ペア:

[(1, 20730638864), (2, 10365319432), (4, 5182659716), (8, 2591329858), (13, 1594664528), (16, 1295664929), (19, 1091086256), (26, 797332264), (29, 714849616), (38, 545543128), (52, 398666132), (58, 357424808), (76, 272771564), (104, 199333066), (116, 178712404), (152, 136385782), (208, 99666533), (232, 89356202), (247, 83929712), (304, 68192891), (377, 54988432), (464, 44678101), (494, 41964856), (551, 37623664), (754, 27494216), (988, 20982428), (1102, 18811832), (1508, 13747108), (1976, 10491214), (2204, 9405916), (3016, 6873554), (3952, 5245607), (4408, 4702958), (6032, 3436777), (7163, 2894128), (8816, 2351479), (14326, 1447064), (28652, 723532), (57304, 361766), (114608, 180883)]