20121479165

素因数分解:

$5^1\times {\mathrm{71}}^2\times {\mathrm{751}}^1\times {\mathrm{1063}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 24546326784

約数和(自身を除く): 4424847619

約数列:

[1, 5, 71, 355, 751, 1063, 3755, 5041, 5315, 25205, 53321, 75473, 266605, 377365, 798313, 3785791, 3991565, 5358583, 18928955, 26792915, 56680223, 283401115, 4024295833, 20121479165]

約数ペア:

[(1, 20121479165), (5, 4024295833), (71, 283401115), (355, 56680223), (751, 26792915), (1063, 18928955), (3755, 5358583), (5041, 3991565), (5315, 3785791), (25205, 798313), (53321, 377365), (75473, 266605)]