20166077855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 31860380160

約数和(自身を除く): 11694302305

約数列:

[1, 5, 7, 11, 29, 35, 53, 55, 77, 145, 203, 265, 319, 371, 385, 583, 643, 1015, 1537, 1595, 1855, 2233, 2809, 2915, 3215, 4081, 4501, 7073, 7685, 10759, 11165, 14045, 16907, 18647, 19663, 20405, 22505, 30899, 34079, 35365, 49511, 53795, 81461, 84535, 93235, 98315, 118349, 130529, 154495, 170395, 205117, 216293, 238553, 247555, 374869, 407305, 570227, 591745, 652645, 896071, 988291, 1025585, 1081465, 1192765, 1435819, 1806187, 1874345, 2624083, 2851135, 4480355, 4941455, 6272497, 6918037, 7179095, 9030935, 10871201, 12643309, 13120415, 19868057, 31362485, 34590185, 52379423, 54356005, 63216545, 76098407, 99340285, 139076399, 261897115, 366655961, 380492035, 576173653, 695381995, 1833279805, 2880868265, 4033215571, 20166077855]

約数ペア:

[(1, 20166077855), (5, 4033215571), (7, 2880868265), (11, 1833279805), (29, 695381995), (35, 576173653), (53, 380492035), (55, 366655961), (77, 261897115), (145, 139076399), (203, 99340285), (265, 76098407), (319, 63216545), (371, 54356005), (385, 52379423), (583, 34590185), (643, 31362485), (1015, 19868057), (1537, 13120415), (1595, 12643309), (1855, 10871201), (2233, 9030935), (2809, 7179095), (2915, 6918037), (3215, 6272497), (4081, 4941455), (4501, 4480355), (7073, 2851135), (7685, 2624083), (10759, 1874345), (11165, 1806187), (14045, 1435819), (16907, 1192765), (18647, 1081465), (19663, 1025585), (20405, 988291), (22505, 896071), (30899, 652645), (34079, 591745), (35365, 570227), (49511, 407305), (53795, 374869), (81461, 247555), (84535, 238553), (93235, 216293), (98315, 205117), (118349, 170395), (130529, 154495)]