20460868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 37232384

約数和(自身を除く): 16771516

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1051, 2102, 4204, 4867, 9734, 19468, 32581, 65162, 130324, 165007, 330014, 660028, 5115217, 10230434, 20460868]

約数ペア:

[(1, 20460868), (2, 10230434), (4, 5115217), (31, 660028), (62, 330014), (124, 165007), (157, 130324), (314, 65162), (628, 32581), (1051, 19468), (2102, 9734), (4204, 4867)]