20802480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86677}}^1$

素因数の和:86693

約数の個数: 40

約数和(自身を含む): 64488432

約数和(自身を除く): 43685952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86677, 173354, 260031, 346708, 433385, 520062, 693416, 866770, 1040124, 1300155, 1386832, 1733540, 2080248, 2600310, 3467080, 4160496, 5200620, 6934160, 10401240, 20802480]

約数ペア:

[(1, 20802480), (2, 10401240), (3, 6934160), (4, 5200620), (5, 4160496), (6, 3467080), (8, 2600310), (10, 2080248), (12, 1733540), (15, 1386832), (16, 1300155), (20, 1040124), (24, 866770), (30, 693416), (40, 520062), (48, 433385), (60, 346708), (80, 260031), (120, 173354), (240, 86677)]