20153502440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{423749}}^1$

素因数の和:423830

約数の個数: 64

約数和(自身を含む): 48053250000

約数和(自身を除く): 27899747560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 423749, 847498, 1694996, 2118745, 3389992, 4237490, 8474980, 12288721, 16949960, 17373709, 24577442, 34747418, 49154884, 61443605, 69494836, 86868545, 98309768, 122887210, 138989672, 173737090, 245774420, 347474180, 491548840, 503837561, 694948360, 1007675122, 2015350244, 2519187805, 4030700488, 5038375610, 10076751220, 20153502440]

約数ペア:

[(1, 20153502440), (2, 10076751220), (4, 5038375610), (5, 4030700488), (8, 2519187805), (10, 2015350244), (20, 1007675122), (29, 694948360), (40, 503837561), (41, 491548840), (58, 347474180), (82, 245774420), (116, 173737090), (145, 138989672), (164, 122887210), (205, 98309768), (232, 86868545), (290, 69494836), (328, 61443605), (410, 49154884), (580, 34747418), (820, 24577442), (1160, 17373709), (1189, 16949960), (1640, 12288721), (2378, 8474980), (4756, 4237490), (5945, 3389992), (9512, 2118745), (11890, 1694996), (23780, 847498), (47560, 423749)]