20212816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97177}}^1$

素因数の和:97198

約数の個数: 20

約数和(自身を含む): 42175252

約数和(自身を除く): 21962436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97177, 194354, 388708, 777416, 1263301, 1554832, 2526602, 5053204, 10106408, 20212816]

約数ペア:

[(1, 20212816), (2, 10106408), (4, 5053204), (8, 2526602), (13, 1554832), (16, 1263301), (26, 777416), (52, 388708), (104, 194354), (208, 97177)]