20014816904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1\times {\mathrm{2221}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 39980001600

約数和(自身を除く): 19965184696

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 587, 808, 1174, 1919, 2221, 2348, 3838, 4442, 4696, 7676, 8884, 11153, 15352, 17768, 22306, 42199, 44612, 59287, 84398, 89224, 118574, 168796, 224321, 237148, 337592, 448642, 474296, 897284, 1126453, 1303727, 1794568, 2252906, 2607454, 4262099, 4505812, 5214908, 8524198, 9011624, 10429816, 17048396, 24770813, 34096792, 49541626, 99083252, 131676427, 198166504, 263352854, 526705708, 1053411416, 2501852113, 5003704226, 10007408452, 20014816904]

約数ペア:

[(1, 20014816904), (2, 10007408452), (4, 5003704226), (8, 2501852113), (19, 1053411416), (38, 526705708), (76, 263352854), (101, 198166504), (152, 131676427), (202, 99083252), (404, 49541626), (587, 34096792), (808, 24770813), (1174, 17048396), (1919, 10429816), (2221, 9011624), (2348, 8524198), (3838, 5214908), (4442, 4505812), (4696, 4262099), (7676, 2607454), (8884, 2252906), (11153, 1794568), (15352, 1303727), (17768, 1126453), (22306, 897284), (42199, 474296), (44612, 448642), (59287, 337592), (84398, 237148), (89224, 224321), (118574, 168796)]