20293210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2358

約数の個数: 32

約数和(自身を含む): 42083712

約数和(自身を除く): 21790502

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2213, 4426, 4585, 9170, 11065, 15491, 22130, 30982, 77455, 154910, 289903, 579806, 1449515, 2029321, 2899030, 4058642, 10146605, 20293210]

約数ペア:

[(1, 20293210), (2, 10146605), (5, 4058642), (7, 2899030), (10, 2029321), (14, 1449515), (35, 579806), (70, 289903), (131, 154910), (262, 77455), (655, 30982), (917, 22130), (1310, 15491), (1834, 11065), (2213, 9170), (4426, 4585)]