20201352140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1\times {\mathrm{51563}}^1$

素因数の和:52622

約数の個数: 48

約数和(自身を含む): 44699800320

約数和(自身を除く): 24498448180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1031, 2062, 4124, 5155, 10310, 19589, 20620, 39178, 51563, 78356, 97945, 103126, 195890, 206252, 257815, 391780, 515630, 979697, 1031260, 1959394, 3918788, 4898485, 9796970, 19593940, 53161453, 106322906, 212645812, 265807265, 531614530, 1010067607, 1063229060, 2020135214, 4040270428, 5050338035, 10100676070, 20201352140]

約数ペア:

[(1, 20201352140), (2, 10100676070), (4, 5050338035), (5, 4040270428), (10, 2020135214), (19, 1063229060), (20, 1010067607), (38, 531614530), (76, 265807265), (95, 212645812), (190, 106322906), (380, 53161453), (1031, 19593940), (2062, 9796970), (4124, 4898485), (5155, 3918788), (10310, 1959394), (19589, 1031260), (20620, 979697), (39178, 515630), (51563, 391780), (78356, 257815), (97945, 206252), (103126, 195890)]