20349428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4243}}^1$

素因数の和:4367

約数の個数: 24

約数和(自身を含む): 39214560

約数和(自身を除く): 18865132

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4243, 4796, 8486, 16972, 46673, 93346, 186692, 462487, 924974, 1849948, 5087357, 10174714, 20349428]

約数ペア:

[(1, 20349428), (2, 10174714), (4, 5087357), (11, 1849948), (22, 924974), (44, 462487), (109, 186692), (218, 93346), (436, 46673), (1199, 16972), (2398, 8486), (4243, 4796)]