20714460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26557}}^1$

素因数の和:26582

約数の個数: 48

約数和(自身を含む): 62464416

約数和(自身を除く): 41749956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26557, 53114, 79671, 106228, 132785, 159342, 265570, 318684, 345241, 398355, 531140, 690482, 796710, 1035723, 1380964, 1593420, 1726205, 2071446, 3452410, 4142892, 5178615, 6904820, 10357230, 20714460]

約数ペア:

[(1, 20714460), (2, 10357230), (3, 6904820), (4, 5178615), (5, 4142892), (6, 3452410), (10, 2071446), (12, 1726205), (13, 1593420), (15, 1380964), (20, 1035723), (26, 796710), (30, 690482), (39, 531140), (52, 398355), (60, 345241), (65, 318684), (78, 265570), (130, 159342), (156, 132785), (195, 106228), (260, 79671), (390, 53114), (780, 26557)]