20185778879

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{19013}}^1$

素因数の和:19535

約数の個数: 24

約数和(自身を含む): 24034304448

約数和(自身を除く): 3848525569

約数列:

[1, 7, 47, 49, 329, 461, 2303, 3227, 19013, 21667, 22589, 133091, 151669, 893611, 931637, 1061683, 6255277, 8764993, 43786939, 61354951, 411954671, 429484657, 2883682697, 20185778879]

約数ペア:

[(1, 20185778879), (7, 2883682697), (47, 429484657), (49, 411954671), (329, 61354951), (461, 43786939), (2303, 8764993), (3227, 6255277), (19013, 1061683), (21667, 931637), (22589, 893611), (133091, 151669)]