20919708

素因数分解:

$2^2\times 3^4\times {\mathrm{64567}}^1$

素因数の和:64583

約数の個数: 30

約数和(自身を含む): 54689096

約数和(自身を除く): 33769388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64567, 129134, 193701, 258268, 387402, 581103, 774804, 1162206, 1743309, 2324412, 3486618, 5229927, 6973236, 10459854, 20919708]

約数ペア:

[(1, 20919708), (2, 10459854), (3, 6973236), (4, 5229927), (6, 3486618), (9, 2324412), (12, 1743309), (18, 1162206), (27, 774804), (36, 581103), (54, 387402), (81, 258268), (108, 193701), (162, 129134), (324, 64567)]