196165420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{891661}}^1$

素因数の和:891681

約数の個数: 24

約数和(自身を含む): 449397648

約数和(自身を除く): 253232228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 891661, 1783322, 3566644, 4458305, 8916610, 9808271, 17833220, 19616542, 39233084, 49041355, 98082710, 196165420]

約数ペア:

[(1, 196165420), (2, 98082710), (4, 49041355), (5, 39233084), (10, 19616542), (11, 17833220), (20, 9808271), (22, 8916610), (44, 4458305), (55, 3566644), (110, 1783322), (220, 891661)]