20199385420

素因数分解:

$2^2\times 5^1\times {\mathrm{6571}}^1\times {\mathrm{153701}}^1$

素因数の和:160281

約数の個数: 24

約数和(自身を含む): 42425440848

約数和(自身を除く): 22226055428

約数列:

[1, 2, 4, 5, 10, 20, 6571, 13142, 26284, 32855, 65710, 131420, 153701, 307402, 614804, 768505, 1537010, 3074020, 1009969271, 2019938542, 4039877084, 5049846355, 10099692710, 20199385420]

約数ペア:

[(1, 20199385420), (2, 10099692710), (4, 5049846355), (5, 4039877084), (10, 2019938542), (20, 1009969271), (6571, 3074020), (13142, 1537010), (26284, 768505), (32855, 614804), (65710, 307402), (131420, 153701)]