20611140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 67568256

約数和(自身を除く): 46957116

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 165, 167, 170, 187, 204, 220, 242, 255, 330, 334, 340, 363, 374, 484, 501, 510, 561, 605, 660, 668, 726, 748, 835, 935, 1002, 1020, 1122, 1210, 1452, 1670, 1815, 1837, 1870, 2004, 2057, 2244, 2420, 2505, 2805, 2839, 3340, 3630, 3674, 3740, 4114, 5010, 5511, 5610, 5678, 6171, 7260, 7348, 8228, 8517, 9185, 10020, 10285, 11022, 11220, 11356, 12342, 14195, 17034, 18370, 20207, 20570, 22044, 24684, 27555, 28390, 30855, 31229, 34068, 36740, 40414, 41140, 42585, 55110, 56780, 60621, 61710, 62458, 80828, 85170, 93687, 101035, 110220, 121242, 123420, 124916, 156145, 170340, 187374, 202070, 242484, 303105, 312290, 343519, 374748, 404140, 468435, 606210, 624580, 687038, 936870, 1030557, 1212420, 1374076, 1717595, 1873740, 2061114, 3435190, 4122228, 5152785, 6870380, 10305570, 20611140]

約数ペア:

[(1, 20611140), (2, 10305570), (3, 6870380), (4, 5152785), (5, 4122228), (6, 3435190), (10, 2061114), (11, 1873740), (12, 1717595), (15, 1374076), (17, 1212420), (20, 1030557), (22, 936870), (30, 687038), (33, 624580), (34, 606210), (44, 468435), (51, 404140), (55, 374748), (60, 343519), (66, 312290), (68, 303105), (85, 242484), (102, 202070), (110, 187374), (121, 170340), (132, 156145), (165, 124916), (167, 123420), (170, 121242), (187, 110220), (204, 101035), (220, 93687), (242, 85170), (255, 80828), (330, 62458), (334, 61710), (340, 60621), (363, 56780), (374, 55110), (484, 42585), (501, 41140), (510, 40414), (561, 36740), (605, 34068), (660, 31229), (668, 30855), (726, 28390), (748, 27555), (835, 24684), (935, 22044), (1002, 20570), (1020, 20207), (1122, 18370), (1210, 17034), (1452, 14195), (1670, 12342), (1815, 11356), (1837, 11220), (1870, 11022), (2004, 10285), (2057, 10020), (2244, 9185), (2420, 8517), (2505, 8228), (2805, 7348), (2839, 7260), (3340, 6171), (3630, 5678), (3674, 5610), (3740, 5511), (4114, 5010)]