20125945185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{42989}}^1$

素因数の和:43102

約数の個数: 48

約数和(自身を含む): 34233796800

約数和(自身を除く): 14107851615

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 529, 885, 1357, 1587, 2645, 4071, 6785, 7935, 20355, 31211, 42989, 93633, 128967, 156055, 214945, 468165, 644835, 988747, 2536351, 2966241, 4943735, 7609053, 12681755, 14831205, 22741181, 38045265, 58336073, 68223543, 113705905, 175008219, 291680365, 341117715, 875041095, 1341729679, 4025189037, 6708648395, 20125945185]

約数ペア:

[(1, 20125945185), (3, 6708648395), (5, 4025189037), (15, 1341729679), (23, 875041095), (59, 341117715), (69, 291680365), (115, 175008219), (177, 113705905), (295, 68223543), (345, 58336073), (529, 38045265), (885, 22741181), (1357, 14831205), (1587, 12681755), (2645, 7609053), (4071, 4943735), (6785, 2966241), (7935, 2536351), (20355, 988747), (31211, 644835), (42989, 468165), (93633, 214945), (128967, 156055)]