20235996970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{547}}^1\times {\mathrm{733}}^1$

素因数の和:1404

約数の個数: 96

約数和(自身を含む): 42919763328

約数和(自身を除く): 22683766358

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 547, 721, 733, 1030, 1094, 1442, 1466, 2735, 3605, 3665, 3829, 5047, 5131, 5470, 7210, 7330, 7658, 10094, 10262, 19145, 25235, 25655, 26803, 35917, 38290, 50470, 51310, 53606, 56341, 71834, 75499, 112682, 134015, 150998, 179585, 268030, 281705, 359170, 377495, 394387, 400951, 528493, 563410, 754990, 788774, 801902, 1056986, 1971935, 2004755, 2642465, 2760709, 2806657, 3699451, 3943870, 4009510, 5284930, 5521418, 5613314, 7398902, 13803545, 14033285, 18497255, 19646599, 27607090, 28066570, 36994510, 39293198, 41297953, 82595906, 98232995, 196465990, 206489765, 289085671, 412979530, 578171342, 1445428355, 2023599697, 2890856710, 4047199394, 10117998485, 20235996970]

約数ペア:

[(1, 20235996970), (2, 10117998485), (5, 4047199394), (7, 2890856710), (10, 2023599697), (14, 1445428355), (35, 578171342), (49, 412979530), (70, 289085671), (98, 206489765), (103, 196465990), (206, 98232995), (245, 82595906), (490, 41297953), (515, 39293198), (547, 36994510), (721, 28066570), (733, 27607090), (1030, 19646599), (1094, 18497255), (1442, 14033285), (1466, 13803545), (2735, 7398902), (3605, 5613314), (3665, 5521418), (3829, 5284930), (5047, 4009510), (5131, 3943870), (5470, 3699451), (7210, 2806657), (7330, 2760709), (7658, 2642465), (10094, 2004755), (10262, 1971935), (19145, 1056986), (25235, 801902), (25655, 788774), (26803, 754990), (35917, 563410), (38290, 528493), (50470, 400951), (51310, 394387), (53606, 377495), (56341, 359170), (71834, 281705), (75499, 268030), (112682, 179585), (134015, 150998)]