20278530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{769}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 52972920

約数和(自身を除く): 32694390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 293, 586, 769, 879, 1465, 1538, 1758, 2307, 2637, 2930, 3845, 4395, 4614, 5274, 6921, 7690, 8790, 11535, 13185, 13842, 23070, 26370, 34605, 69210, 225317, 450634, 675951, 1126585, 1351902, 2027853, 2253170, 3379755, 4055706, 6759510, 10139265, 20278530]

約数ペア:

[(1, 20278530), (2, 10139265), (3, 6759510), (5, 4055706), (6, 3379755), (9, 2253170), (10, 2027853), (15, 1351902), (18, 1126585), (30, 675951), (45, 450634), (90, 225317), (293, 69210), (586, 34605), (769, 26370), (879, 23070), (1465, 13842), (1538, 13185), (1758, 11535), (2307, 8790), (2637, 7690), (2930, 6921), (3845, 5274), (4395, 4614)]