20023648620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{13093}}^1$

素因数の和:13535

約数の個数: 96

約数和(自身を含む): 57018608640

約数和(自身を除く): 36994960020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 359, 426, 710, 718, 852, 1065, 1077, 1420, 1436, 1795, 2130, 2154, 3590, 4260, 4308, 5385, 7180, 10770, 13093, 21540, 25489, 26186, 39279, 50978, 52372, 65465, 76467, 78558, 101956, 127445, 130930, 152934, 157116, 196395, 254890, 261860, 305868, 382335, 392790, 509780, 764670, 785580, 929603, 1529340, 1859206, 2788809, 3718412, 4648015, 4700387, 5577618, 9296030, 9400774, 11155236, 13944045, 14101161, 18592060, 18801548, 23501935, 27888090, 28202322, 47003870, 55776180, 56404644, 70505805, 94007740, 141011610, 282023220, 333727477, 667454954, 1001182431, 1334909908, 1668637385, 2002364862, 3337274770, 4004729724, 5005912155, 6674549540, 10011824310, 20023648620]

約数ペア:

[(1, 20023648620), (2, 10011824310), (3, 6674549540), (4, 5005912155), (5, 4004729724), (6, 3337274770), (10, 2002364862), (12, 1668637385), (15, 1334909908), (20, 1001182431), (30, 667454954), (60, 333727477), (71, 282023220), (142, 141011610), (213, 94007740), (284, 70505805), (355, 56404644), (359, 55776180), (426, 47003870), (710, 28202322), (718, 27888090), (852, 23501935), (1065, 18801548), (1077, 18592060), (1420, 14101161), (1436, 13944045), (1795, 11155236), (2130, 9400774), (2154, 9296030), (3590, 5577618), (4260, 4700387), (4308, 4648015), (5385, 3718412), (7180, 2788809), (10770, 1859206), (13093, 1529340), (21540, 929603), (25489, 785580), (26186, 764670), (39279, 509780), (50978, 392790), (52372, 382335), (65465, 305868), (76467, 261860), (78558, 254890), (101956, 196395), (127445, 157116), (130930, 152934)]