20289318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2503}}^1$

素因数の和:2708

約数の個数: 32

約数和(自身を含む): 46634496

約数和(自身を除く): 26345178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 193, 386, 579, 1158, 1351, 2503, 2702, 4053, 5006, 7509, 8106, 15018, 17521, 35042, 52563, 105126, 483079, 966158, 1449237, 2898474, 3381553, 6763106, 10144659, 20289318]

約数ペア:

[(1, 20289318), (2, 10144659), (3, 6763106), (6, 3381553), (7, 2898474), (14, 1449237), (21, 966158), (42, 483079), (193, 105126), (386, 52563), (579, 35042), (1158, 17521), (1351, 15018), (2503, 8106), (2702, 7509), (4053, 5006)]