16931420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{76961}}^1$

素因数の和:76981

約数の個数: 24

約数和(自身を含む): 38788848

約数和(自身を除く): 21857428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 76961, 153922, 307844, 384805, 769610, 846571, 1539220, 1693142, 3386284, 4232855, 8465710, 16931420]

約数ペア:

[(1, 16931420), (2, 8465710), (4, 4232855), (5, 3386284), (10, 1693142), (11, 1539220), (20, 846571), (22, 769610), (44, 384805), (55, 307844), (110, 153922), (220, 76961)]