20821614

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 24780306

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 389, 778, 811, 1167, 1622, 2334, 2433, 4279, 4866, 8558, 8921, 12837, 17842, 25674, 26763, 53526, 315479, 630958, 946437, 1892874, 3470269, 6940538, 10410807, 20821614]

約数ペア:

[(1, 20821614), (2, 10410807), (3, 6940538), (6, 3470269), (11, 1892874), (22, 946437), (33, 630958), (66, 315479), (389, 53526), (778, 26763), (811, 25674), (1167, 17842), (1622, 12837), (2334, 8921), (2433, 8558), (4279, 4866)]