20337648

素因数分解:

$2^4\times 3^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 52700496

約数和(自身を除く): 32362848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 641, 661, 1282, 1322, 1923, 1983, 2564, 2644, 3846, 3966, 5128, 5288, 7692, 7932, 10256, 10576, 15384, 15864, 30768, 31728, 423701, 847402, 1271103, 1694804, 2542206, 3389608, 5084412, 6779216, 10168824, 20337648]

約数ペア:

[(1, 20337648), (2, 10168824), (3, 6779216), (4, 5084412), (6, 3389608), (8, 2542206), (12, 1694804), (16, 1271103), (24, 847402), (48, 423701), (641, 31728), (661, 30768), (1282, 15864), (1322, 15384), (1923, 10576), (1983, 10256), (2564, 7932), (2644, 7692), (3846, 5288), (3966, 5128)]