20050920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55697}}^1$

素因数の和:55714

約数の個数: 48

約数和(自身を含む): 65166660

約数和(自身を除く): 45115740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55697, 111394, 167091, 222788, 278485, 334182, 445576, 501273, 556970, 668364, 835455, 1002546, 1113940, 1336728, 1670910, 2005092, 2227880, 2506365, 3341820, 4010184, 5012730, 6683640, 10025460, 20050920]

約数ペア:

[(1, 20050920), (2, 10025460), (3, 6683640), (4, 5012730), (5, 4010184), (6, 3341820), (8, 2506365), (9, 2227880), (10, 2005092), (12, 1670910), (15, 1336728), (18, 1113940), (20, 1002546), (24, 835455), (30, 668364), (36, 556970), (40, 501273), (45, 445576), (60, 334182), (72, 278485), (90, 222788), (120, 167091), (180, 111394), (360, 55697)]