20457633

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 32438016

約数和(自身を除く): 11980383

約数列:

[1, 3, 7, 21, 37, 111, 113, 233, 259, 339, 699, 777, 791, 1631, 2373, 4181, 4893, 8621, 12543, 25863, 26329, 29267, 60347, 78987, 87801, 181041, 184303, 552909, 974173, 2922519, 6819211, 20457633]

約数ペア:

[(1, 20457633), (3, 6819211), (7, 2922519), (21, 974173), (37, 552909), (111, 184303), (113, 181041), (233, 87801), (259, 78987), (339, 60347), (699, 29267), (777, 26329), (791, 25863), (1631, 12543), (2373, 8621), (4181, 4893)]