20380750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6301

約数の個数: 32

約数和(自身を含む): 41094144

約数和(自身を除く): 20713394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6271, 12542, 31355, 62710, 81523, 156775, 163046, 313550, 407615, 783875, 815230, 1567750, 2038075, 4076150, 10190375, 20380750]

約数ペア:

[(1, 20380750), (2, 10190375), (5, 4076150), (10, 2038075), (13, 1567750), (25, 815230), (26, 783875), (50, 407615), (65, 313550), (125, 163046), (130, 156775), (250, 81523), (325, 62710), (650, 31355), (1625, 12542), (3250, 6271)]