20136415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18223}}^1$

素因数の和:18258

約数の個数: 16

約数和(自身を含む): 27554688

約数和(自身を除く): 7418273

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18223, 91115, 236899, 309791, 1184495, 1548955, 4027283, 20136415]

約数ペア:

[(1, 20136415), (5, 4027283), (13, 1548955), (17, 1184495), (65, 309791), (85, 236899), (221, 91115), (1105, 18223)]