2109656020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3402671}}^1$

素因数の和:3402711

約数の個数: 24

約数和(自身を含む): 4573191168

約数和(自身を除く): 2463535148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3402671, 6805342, 13610684, 17013355, 34026710, 68053420, 105482801, 210965602, 421931204, 527414005, 1054828010, 2109656020]

約数ペア:

[(1, 2109656020), (2, 1054828010), (4, 527414005), (5, 421931204), (10, 210965602), (20, 105482801), (31, 68053420), (62, 34026710), (124, 17013355), (155, 13610684), (310, 6805342), (620, 3402671)]