20002008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64109}}^1$

素因数の和:64131

約数の個数: 32

約数和(自身を含む): 53852400

約数和(自身を除く): 33850392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64109, 128218, 192327, 256436, 384654, 512872, 769308, 833417, 1538616, 1666834, 2500251, 3333668, 5000502, 6667336, 10001004, 20002008]

約数ペア:

[(1, 20002008), (2, 10001004), (3, 6667336), (4, 5000502), (6, 3333668), (8, 2500251), (12, 1666834), (13, 1538616), (24, 833417), (26, 769308), (39, 512872), (52, 384654), (78, 256436), (104, 192327), (156, 128218), (312, 64109)]