20837336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1049}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21498664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 1049, 1528, 2098, 2483, 4196, 4966, 8392, 9932, 13637, 19864, 27274, 54548, 109096, 200359, 400718, 801436, 1602872, 2604667, 5209334, 10418668, 20837336]

約数ペア:

[(1, 20837336), (2, 10418668), (4, 5209334), (8, 2604667), (13, 1602872), (26, 801436), (52, 400718), (104, 200359), (191, 109096), (382, 54548), (764, 27274), (1049, 19864), (1528, 13637), (2098, 9932), (2483, 8392), (4196, 4966)]