20380826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1213}}^1$

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 31699968

約数和(自身を除く): 11319142

約数列:

[1, 2, 31, 62, 271, 542, 1213, 2426, 8401, 16802, 37603, 75206, 328723, 657446, 10190413, 20380826]

約数ペア:

[(1, 20380826), (2, 10190413), (31, 657446), (62, 328723), (271, 75206), (542, 37603), (1213, 16802), (2426, 8401)]