20605260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26417}}^1$

素因数の和:26442

約数の個数: 48

約数和(自身を含む): 62135136

約数和(自身を除く): 41529876

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, 26417, 52834, 79251, 105668, 132085, 158502, 264170, 317004, 343421, 396255, 528340, 686842, 792510, 1030263, 1373684, 1585020, 1717105, 2060526, 3434210, 4121052, 5151315, 6868420, 10302630, 20605260]

約数ペア:

[(1, 20605260), (2, 10302630), (3, 6868420), (4, 5151315), (5, 4121052), (6, 3434210), (10, 2060526), (12, 1717105), (13, 1585020), (15, 1373684), (20, 1030263), (26, 792510), (30, 686842), (39, 528340), (52, 396255), (60, 343421), (65, 317004), (78, 264170), (130, 158502), (156, 132085), (195, 105668), (260, 79251), (390, 52834), (780, 26417)]