20048820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 62971776

約数和(自身を除く): 42922956

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 814, 821, 1110, 1221, 1628, 1642, 2035, 2220, 2442, 2463, 3284, 4070, 4105, 4884, 4926, 6105, 8140, 8210, 9031, 9852, 12210, 12315, 16420, 18062, 24420, 24630, 27093, 30377, 36124, 45155, 49260, 54186, 60754, 90310, 91131, 108372, 121508, 135465, 151885, 180620, 182262, 270930, 303770, 334147, 364524, 455655, 541860, 607540, 668294, 911310, 1002441, 1336588, 1670735, 1822620, 2004882, 3341470, 4009764, 5012205, 6682940, 10024410, 20048820]

約数ペア:

[(1, 20048820), (2, 10024410), (3, 6682940), (4, 5012205), (5, 4009764), (6, 3341470), (10, 2004882), (11, 1822620), (12, 1670735), (15, 1336588), (20, 1002441), (22, 911310), (30, 668294), (33, 607540), (37, 541860), (44, 455655), (55, 364524), (60, 334147), (66, 303770), (74, 270930), (110, 182262), (111, 180620), (132, 151885), (148, 135465), (165, 121508), (185, 108372), (220, 91131), (222, 90310), (330, 60754), (370, 54186), (407, 49260), (444, 45155), (555, 36124), (660, 30377), (740, 27093), (814, 24630), (821, 24420), (1110, 18062), (1221, 16420), (1628, 12315), (1642, 12210), (2035, 9852), (2220, 9031), (2442, 8210), (2463, 8140), (3284, 6105), (4070, 4926), (4105, 4884)]