20601490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22639}}^1$

素因数の和:22666

約数の個数: 32

約数和(自身を含む): 45642240

約数和(自身を除く): 25040750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22639, 45278, 113195, 158473, 226390, 294307, 316946, 588614, 792365, 1471535, 1584730, 2060149, 2943070, 4120298, 10300745, 20601490]

約数ペア:

[(1, 20601490), (2, 10300745), (5, 4120298), (7, 2943070), (10, 2060149), (13, 1584730), (14, 1471535), (26, 792365), (35, 588614), (65, 316946), (70, 294307), (91, 226390), (130, 158473), (182, 113195), (455, 45278), (910, 22639)]