20558040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{171317}}^1$

素因数の和:171331

約数の個数: 32

約数和(自身を含む): 61674480

約数和(自身を除く): 41116440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 171317, 342634, 513951, 685268, 856585, 1027902, 1370536, 1713170, 2055804, 2569755, 3426340, 4111608, 5139510, 6852680, 10279020, 20558040]

約数ペア:

[(1, 20558040), (2, 10279020), (3, 6852680), (4, 5139510), (5, 4111608), (6, 3426340), (8, 2569755), (10, 2055804), (12, 1713170), (15, 1370536), (20, 1027902), (24, 856585), (30, 685268), (40, 513951), (60, 342634), (120, 171317)]