20637360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28663}}^1$

素因数の和:28682

約数の個数: 60

約数和(自身を含む): 69309552

約数和(自身を除く): 48672192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28663, 57326, 85989, 114652, 143315, 171978, 229304, 257967, 286630, 343956, 429945, 458608, 515934, 573260, 687912, 859890, 1031868, 1146520, 1289835, 1375824, 1719780, 2063736, 2293040, 2579670, 3439560, 4127472, 5159340, 6879120, 10318680, 20637360]

約数ペア:

[(1, 20637360), (2, 10318680), (3, 6879120), (4, 5159340), (5, 4127472), (6, 3439560), (8, 2579670), (9, 2293040), (10, 2063736), (12, 1719780), (15, 1375824), (16, 1289835), (18, 1146520), (20, 1031868), (24, 859890), (30, 687912), (36, 573260), (40, 515934), (45, 458608), (48, 429945), (60, 343956), (72, 286630), (80, 257967), (90, 229304), (120, 171978), (144, 143315), (180, 114652), (240, 85989), (360, 57326), (720, 28663)]