20153193745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{174721}}^1$

素因数の和:174825

約数の個数: 32

約数和(自身を含む): 27172765440

約数和(自身を除く): 7019571695

約数列:

[1, 5, 17, 23, 59, 85, 115, 295, 391, 1003, 1357, 1955, 5015, 6785, 23069, 115345, 174721, 873605, 2970257, 4018583, 10308539, 14851285, 20092915, 51542695, 68315911, 175245163, 237096397, 341579555, 876225815, 1185481985, 4030638749, 20153193745]

約数ペア:

[(1, 20153193745), (5, 4030638749), (17, 1185481985), (23, 876225815), (59, 341579555), (85, 237096397), (115, 175245163), (295, 68315911), (391, 51542695), (1003, 20092915), (1357, 14851285), (1955, 10308539), (5015, 4018583), (6785, 2970257), (23069, 873605), (115345, 174721)]