20163409990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1\times {\mathrm{11779}}^1$

素因数の和:14268

約数の個数: 32

約数和(自身を含む): 36823714560

約数和(自身を除く): 16660304570

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2411, 4822, 11779, 12055, 23558, 24110, 58895, 117790, 171181, 342362, 836309, 855905, 1672618, 1711810, 4181545, 8363090, 28399169, 56798338, 141995845, 283991690, 2016340999, 4032681998, 10081704995, 20163409990]

約数ペア:

[(1, 20163409990), (2, 10081704995), (5, 4032681998), (10, 2016340999), (71, 283991690), (142, 141995845), (355, 56798338), (710, 28399169), (2411, 8363090), (4822, 4181545), (11779, 1711810), (12055, 1672618), (23558, 855905), (24110, 836309), (58895, 342362), (117790, 171181)]