20100642956

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 35773920000

約数和(自身を除く): 15673277044

約数列:

[1, 2, 4, 149, 181, 298, 362, 389, 479, 596, 724, 778, 958, 1556, 1916, 26969, 53938, 57961, 70409, 71371, 86699, 107876, 115922, 140818, 142742, 173398, 186331, 231844, 281636, 285484, 346796, 372662, 745324, 10490941, 12918151, 20981882, 25836302, 27763319, 33725911, 41963764, 51672604, 55526638, 67451822, 111053276, 134903644, 5025160739, 10050321478, 20100642956]

約数ペア:

[(1, 20100642956), (2, 10050321478), (4, 5025160739), (149, 134903644), (181, 111053276), (298, 67451822), (362, 55526638), (389, 51672604), (479, 41963764), (596, 33725911), (724, 27763319), (778, 25836302), (958, 20981882), (1556, 12918151), (1916, 10490941), (26969, 745324), (53938, 372662), (57961, 346796), (70409, 285484), (71371, 281636), (86699, 231844), (107876, 186331), (115922, 173398), (140818, 142742)]