20757340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61051}}^1$

素因数の和:61077

約数の個数: 24

約数和(自身を含む): 46155312

約数和(自身を除く): 25397972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61051, 122102, 244204, 305255, 610510, 1037867, 1221020, 2075734, 4151468, 5189335, 10378670, 20757340]

約数ペア:

[(1, 20757340), (2, 10378670), (4, 5189335), (5, 4151468), (10, 2075734), (17, 1221020), (20, 1037867), (34, 610510), (68, 305255), (85, 244204), (170, 122102), (340, 61051)]