20932808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{467}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21524152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 467, 862, 934, 1724, 1868, 3448, 3736, 5603, 6071, 11206, 12142, 22412, 24284, 44824, 48568, 201277, 402554, 805108, 1610216, 2616601, 5233202, 10466404, 20932808]

約数ペア:

[(1, 20932808), (2, 10466404), (4, 5233202), (8, 2616601), (13, 1610216), (26, 805108), (52, 402554), (104, 201277), (431, 48568), (467, 44824), (862, 24284), (934, 22412), (1724, 12142), (1868, 11206), (3448, 6071), (3736, 5603)]