20305090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6791}}^1$

素因数の和:6834

約数の個数: 32

約数和(自身を含む): 41078016

約数和(自身を除く): 20772926

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6791, 13582, 33955, 67910, 88283, 156193, 176566, 312386, 441415, 780965, 882830, 1561930, 2030509, 4061018, 10152545, 20305090]

約数ペア:

[(1, 20305090), (2, 10152545), (5, 4061018), (10, 2030509), (13, 1561930), (23, 882830), (26, 780965), (46, 441415), (65, 312386), (115, 176566), (130, 156193), (230, 88283), (299, 67910), (598, 33955), (1495, 13582), (2990, 6791)]