13634420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22031

約数の個数: 24

約数和(自身を含む): 29557248

約数和(自身を除く): 15922828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21991, 43982, 87964, 109955, 219910, 439820, 681721, 1363442, 2726884, 3408605, 6817210, 13634420]

約数ペア:

[(1, 13634420), (2, 6817210), (4, 3408605), (5, 2726884), (10, 1363442), (20, 681721), (31, 439820), (62, 219910), (124, 109955), (155, 87964), (310, 43982), (620, 21991)]