20079893540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8123}}^1\times {\mathrm{17657}}^1$

素因数の和:25796

約数の個数: 48

約数和(自身を含む): 48200406912

約数和(自身を除く): 28120513372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8123, 16246, 17657, 32492, 35314, 40615, 56861, 70628, 81230, 88285, 113722, 123599, 162460, 176570, 227444, 247198, 284305, 353140, 494396, 568610, 617995, 1137220, 1235990, 2471980, 143427811, 286855622, 573711244, 717139055, 1003994677, 1434278110, 2007989354, 2868556220, 4015978708, 5019973385, 10039946770, 20079893540]

約数ペア:

[(1, 20079893540), (2, 10039946770), (4, 5019973385), (5, 4015978708), (7, 2868556220), (10, 2007989354), (14, 1434278110), (20, 1003994677), (28, 717139055), (35, 573711244), (70, 286855622), (140, 143427811), (8123, 2471980), (16246, 1235990), (17657, 1137220), (32492, 617995), (35314, 568610), (40615, 494396), (56861, 353140), (70628, 284305), (81230, 247198), (88285, 227444), (113722, 176570), (123599, 162460)]