20176992040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3850571}}^1$

素因数の和:3850713

約数の個数: 32

約数和(自身を含む): 45744795360

約数和(自身を除く): 25567803320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 3850571, 7701142, 15402284, 19252855, 30804568, 38505710, 77011420, 154022840, 504424801, 1008849602, 2017699204, 2522124005, 4035398408, 5044248010, 10088496020, 20176992040]

約数ペア:

[(1, 20176992040), (2, 10088496020), (4, 5044248010), (5, 4035398408), (8, 2522124005), (10, 2017699204), (20, 1008849602), (40, 504424801), (131, 154022840), (262, 77011420), (524, 38505710), (655, 30804568), (1048, 19252855), (1310, 15402284), (2620, 7701142), (5240, 3850571)]