20163950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13009}}^1$

素因数の和:13052

約数の個数: 24

約数和(自身を含む): 38717760

約数和(自身を除く): 18553810

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13009, 26018, 65045, 130090, 325225, 403279, 650450, 806558, 2016395, 4032790, 10081975, 20163950]

約数ペア:

[(1, 20163950), (2, 10081975), (5, 4032790), (10, 2016395), (25, 806558), (31, 650450), (50, 403279), (62, 325225), (155, 130090), (310, 65045), (775, 26018), (1550, 13009)]