20613010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 43732224

約数和(自身を除く): 23119214

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 73, 85, 110, 146, 151, 170, 187, 302, 365, 374, 730, 755, 803, 935, 1241, 1510, 1606, 1661, 1870, 2482, 2567, 3322, 4015, 5134, 6205, 8030, 8305, 11023, 12410, 12835, 13651, 16610, 22046, 25670, 27302, 28237, 55115, 56474, 68255, 110230, 121253, 136510, 141185, 187391, 242506, 282370, 374782, 606265, 936955, 1212530, 1873910, 2061301, 4122602, 10306505, 20613010]

約数ペア:

[(1, 20613010), (2, 10306505), (5, 4122602), (10, 2061301), (11, 1873910), (17, 1212530), (22, 936955), (34, 606265), (55, 374782), (73, 282370), (85, 242506), (110, 187391), (146, 141185), (151, 136510), (170, 121253), (187, 110230), (302, 68255), (365, 56474), (374, 55115), (730, 28237), (755, 27302), (803, 25670), (935, 22046), (1241, 16610), (1510, 13651), (1606, 12835), (1661, 12410), (1870, 11023), (2482, 8305), (2567, 8030), (3322, 6205), (4015, 5134)]