20183359640

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2641801}}^1$

素因数の和:2642003

約数の個数: 32

約数和(自身を含む): 45650338560

約数和(自身を除く): 25466978920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 2641801, 5283602, 10567204, 13209005, 21134408, 26418010, 52836020, 105672040, 504583991, 1009167982, 2018335964, 2522919955, 4036671928, 5045839910, 10091679820, 20183359640]

約数ペア:

[(1, 20183359640), (2, 10091679820), (4, 5045839910), (5, 4036671928), (8, 2522919955), (10, 2018335964), (20, 1009167982), (40, 504583991), (191, 105672040), (382, 52836020), (764, 26418010), (955, 21134408), (1528, 13209005), (1910, 10567204), (3820, 5283602), (7640, 2641801)]