20370100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6571}}^1$

素因数の和:6616

約数の個数: 36

約数和(自身を含む): 45635968

約数和(自身を除く): 25265868

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6571, 13142, 26284, 32855, 65710, 131420, 164275, 203701, 328550, 407402, 657100, 814804, 1018505, 2037010, 4074020, 5092525, 10185050, 20370100]

約数ペア:

[(1, 20370100), (2, 10185050), (4, 5092525), (5, 4074020), (10, 2037010), (20, 1018505), (25, 814804), (31, 657100), (50, 407402), (62, 328550), (100, 203701), (124, 164275), (155, 131420), (310, 65710), (620, 32855), (775, 26284), (1550, 13142), (3100, 6571)]