20961688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238201}}^1$

素因数の和:238218

約数の個数: 16

約数和(自身を含む): 42876360

約数和(自身を除く): 21914672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238201, 476402, 952804, 1905608, 2620211, 5240422, 10480844, 20961688]

約数ペア:

[(1, 20961688), (2, 10480844), (4, 5240422), (8, 2620211), (11, 1905608), (22, 952804), (44, 476402), (88, 238201)]