20478316

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{773}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 37059120

約数和(自身を除く): 16580804

約数列:

[1, 2, 4, 37, 74, 148, 179, 358, 716, 773, 1546, 3092, 6623, 13246, 26492, 28601, 57202, 114404, 138367, 276734, 553468, 5119579, 10239158, 20478316]

約数ペア:

[(1, 20478316), (2, 10239158), (4, 5119579), (37, 553468), (74, 276734), (148, 138367), (179, 114404), (358, 57202), (716, 28601), (773, 26492), (1546, 13246), (3092, 6623)]