20280920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46093}}^1$

素因数の和:46115

約数の個数: 32

約数和(自身を含む): 49781520

約数和(自身を除く): 29500600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46093, 92186, 184372, 230465, 368744, 460930, 507023, 921860, 1014046, 1843720, 2028092, 2535115, 4056184, 5070230, 10140460, 20280920]

約数ペア:

[(1, 20280920), (2, 10140460), (4, 5070230), (5, 4056184), (8, 2535115), (10, 2028092), (11, 1843720), (20, 1014046), (22, 921860), (40, 507023), (44, 460930), (55, 368744), (88, 230465), (110, 184372), (220, 92186), (440, 46093)]