20441360

素因数分解:

$2^4\times 5^1\times {\mathrm{255517}}^1$

素因数の和:255530

約数の個数: 20

約数和(自身を含む): 47526348

約数和(自身を除く): 27084988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255517, 511034, 1022068, 1277585, 2044136, 2555170, 4088272, 5110340, 10220680, 20441360]

約数ペア:

[(1, 20441360), (2, 10220680), (4, 5110340), (5, 4088272), (8, 2555170), (10, 2044136), (16, 1277585), (20, 1022068), (40, 511034), (80, 255517)]