20912108

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43933}}^1$

素因数の和:43961

約数の個数: 24

約数和(自身を含む): 44285472

約数和(自身を除く): 23373364

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43933, 87866, 175732, 307531, 615062, 746861, 1230124, 1493722, 2987444, 5228027, 10456054, 20912108]

約数ペア:

[(1, 20912108), (2, 10456054), (4, 5228027), (7, 2987444), (14, 1493722), (17, 1230124), (28, 746861), (34, 615062), (68, 307531), (119, 175732), (238, 87866), (476, 43933)]