20021350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12917}}^1$

素因数の和:12960

約数の個数: 24

約数和(自身を含む): 38443968

約数和(自身を除く): 18422618

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12917, 25834, 64585, 129170, 322925, 400427, 645850, 800854, 2002135, 4004270, 10010675, 20021350]

約数ペア:

[(1, 20021350), (2, 10010675), (5, 4004270), (10, 2002135), (25, 800854), (31, 645850), (50, 400427), (62, 322925), (155, 129170), (310, 64585), (775, 25834), (1550, 12917)]