20124735

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 13495233

約数列:

[1, 3, 5, 15, 31, 93, 113, 155, 339, 383, 465, 565, 1149, 1695, 1915, 3503, 5745, 10509, 11873, 17515, 35619, 43279, 52545, 59365, 129837, 178095, 216395, 649185, 1341649, 4024947, 6708245, 20124735]

約数ペア:

[(1, 20124735), (3, 6708245), (5, 4024947), (15, 1341649), (31, 649185), (93, 216395), (113, 178095), (155, 129837), (339, 59365), (383, 52545), (465, 43279), (565, 35619), (1149, 17515), (1695, 11873), (1915, 10509), (3503, 5745)]