20694410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20129590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 449, 838, 898, 2095, 2245, 4190, 4490, 4609, 4939, 9218, 9878, 23045, 24695, 46090, 49390, 188131, 376262, 940655, 1881310, 2069441, 4138882, 10347205, 20694410]

約数ペア:

[(1, 20694410), (2, 10347205), (5, 4138882), (10, 2069441), (11, 1881310), (22, 940655), (55, 376262), (110, 188131), (419, 49390), (449, 46090), (838, 24695), (898, 23045), (2095, 9878), (2245, 9218), (4190, 4939), (4490, 4609)]