20790748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3607}}^1$

素因数の和:3753

約数の個数: 24

約数和(自身を含む): 40005504

約数和(自身を除く): 19214756

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3607, 5764, 7214, 14428, 39677, 79354, 158708, 472517, 945034, 1890068, 5197687, 10395374, 20790748]

約数ペア:

[(1, 20790748), (2, 10395374), (4, 5197687), (11, 1890068), (22, 945034), (44, 472517), (131, 158708), (262, 79354), (524, 39677), (1441, 14428), (2882, 7214), (3607, 5764)]