20161299920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5860843}}^1$

素因数の和:5860899

約数の個数: 40

約数和(自身を含む): 47965147296

約数和(自身を除く): 27803847376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5860843, 11721686, 23443372, 29304215, 46886744, 58608430, 93773488, 117216860, 234433720, 252016249, 468867440, 504032498, 1008064996, 1260081245, 2016129992, 2520162490, 4032259984, 5040324980, 10080649960, 20161299920]

約数ペア:

[(1, 20161299920), (2, 10080649960), (4, 5040324980), (5, 4032259984), (8, 2520162490), (10, 2016129992), (16, 1260081245), (20, 1008064996), (40, 504032498), (43, 468867440), (80, 252016249), (86, 234433720), (172, 117216860), (215, 93773488), (344, 58608430), (430, 46886744), (688, 29304215), (860, 23443372), (1720, 11721686), (3440, 5860843)]