20675974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2243}}^1$

素因数の和:2675

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 13253306

約数列:

[1, 2, 11, 22, 419, 838, 2243, 4486, 4609, 9218, 24673, 49346, 939817, 1879634, 10337987, 20675974]

約数ペア:

[(1, 20675974), (2, 10337987), (11, 1879634), (22, 939817), (419, 49346), (838, 24673), (2243, 9218), (4486, 4609)]