20577720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{171481}}^1$

素因数の和:171495

約数の個数: 32

約数和(自身を含む): 61733520

約数和(自身を除く): 41155800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 171481, 342962, 514443, 685924, 857405, 1028886, 1371848, 1714810, 2057772, 2572215, 3429620, 4115544, 5144430, 6859240, 10288860, 20577720]

約数ペア:

[(1, 20577720), (2, 10288860), (3, 6859240), (4, 5144430), (5, 4115544), (6, 3429620), (8, 2572215), (10, 2057772), (12, 1714810), (15, 1371848), (20, 1028886), (24, 857405), (30, 685924), (40, 514443), (60, 342962), (120, 171481)]