20491870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3527}}^1$

素因数の和:3624

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 22182818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3527, 5810, 7054, 17635, 24689, 35270, 49378, 123445, 246890, 292741, 585482, 1463705, 2049187, 2927410, 4098374, 10245935, 20491870]

約数ペア:

[(1, 20491870), (2, 10245935), (5, 4098374), (7, 2927410), (10, 2049187), (14, 1463705), (35, 585482), (70, 292741), (83, 246890), (166, 123445), (415, 49378), (581, 35270), (830, 24689), (1162, 17635), (2905, 7054), (3527, 5810)]