20995060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33863}}^1$

素因数の和:33903

約数の個数: 24

約数和(自身を含む): 45513216

約数和(自身を除く): 24518156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33863, 67726, 135452, 169315, 338630, 677260, 1049753, 2099506, 4199012, 5248765, 10497530, 20995060]

約数ペア:

[(1, 20995060), (2, 10497530), (4, 5248765), (5, 4199012), (10, 2099506), (20, 1049753), (31, 677260), (62, 338630), (124, 169315), (155, 135452), (310, 67726), (620, 33863)]