20311464740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{246319}}^1$

素因数の和:246385

約数の個数: 96

約数和(自身を含む): 52968652800

約数和(自身を除く): 32657188060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 2170, 2356, 2660, 2945, 4123, 4340, 5890, 8246, 11780, 16492, 20615, 41230, 82460, 246319, 492638, 985276, 1231595, 1724233, 2463190, 3448466, 4680061, 4926380, 6896932, 7635889, 8621165, 9360122, 15271778, 17242330, 18720244, 23400305, 30543556, 32760427, 34484660, 38179445, 46800610, 53451223, 65520854, 76358890, 93601220, 106902446, 131041708, 145081891, 152717780, 163802135, 213804892, 267256115, 290163782, 327604270, 534512230, 580327564, 655208540, 725409455, 1015573237, 1069024460, 1450818910, 2031146474, 2901637820, 4062292948, 5077866185, 10155732370, 20311464740]

約数ペア:

[(1, 20311464740), (2, 10155732370), (4, 5077866185), (5, 4062292948), (7, 2901637820), (10, 2031146474), (14, 1450818910), (19, 1069024460), (20, 1015573237), (28, 725409455), (31, 655208540), (35, 580327564), (38, 534512230), (62, 327604270), (70, 290163782), (76, 267256115), (95, 213804892), (124, 163802135), (133, 152717780), (140, 145081891), (155, 131041708), (190, 106902446), (217, 93601220), (266, 76358890), (310, 65520854), (380, 53451223), (434, 46800610), (532, 38179445), (589, 34484660), (620, 32760427), (665, 30543556), (868, 23400305), (1085, 18720244), (1178, 17242330), (1330, 15271778), (2170, 9360122), (2356, 8621165), (2660, 7635889), (2945, 6896932), (4123, 4926380), (4340, 4680061), (5890, 3448466), (8246, 2463190), (11780, 1724233), (16492, 1231595), (20615, 985276), (41230, 492638), (82460, 246319)]