20515673818

素因数分解:

$2^1\times {\mathrm{419}}^1\times {\mathrm{1877}}^1\times {\mathrm{13043}}^1$

素因数の和:15341

約数の個数: 16

約数和(自身を含む): 30865756320

約数和(自身を除く): 10350082502

約数列:

[1, 2, 419, 838, 1877, 3754, 13043, 26086, 786463, 1572926, 5465017, 10930034, 24481711, 48963422, 10257836909, 20515673818]

約数ペア:

[(1, 20515673818), (2, 10257836909), (419, 48963422), (838, 24481711), (1877, 10930034), (3754, 5465017), (13043, 1572926), (26086, 786463)]