20454960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85229}}^1$

素因数の和:85245

約数の個数: 40

約数和(自身を含む): 63411120

約数和(自身を除く): 42956160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85229, 170458, 255687, 340916, 426145, 511374, 681832, 852290, 1022748, 1278435, 1363664, 1704580, 2045496, 2556870, 3409160, 4090992, 5113740, 6818320, 10227480, 20454960]

約数ペア:

[(1, 20454960), (2, 10227480), (3, 6818320), (4, 5113740), (5, 4090992), (6, 3409160), (8, 2556870), (10, 2045496), (12, 1704580), (15, 1363664), (16, 1278435), (20, 1022748), (24, 852290), (30, 681832), (40, 511374), (48, 426145), (60, 340916), (80, 255687), (120, 170458), (240, 85229)]