20407674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{751}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 46780416

約数和(自身を除く): 26372742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 647, 751, 1294, 1502, 1941, 2253, 3882, 4506, 4529, 5257, 9058, 10514, 13587, 15771, 27174, 31542, 485897, 971794, 1457691, 2915382, 3401279, 6802558, 10203837, 20407674]

約数ペア:

[(1, 20407674), (2, 10203837), (3, 6802558), (6, 3401279), (7, 2915382), (14, 1457691), (21, 971794), (42, 485897), (647, 31542), (751, 27174), (1294, 15771), (1502, 13587), (1941, 10514), (2253, 9058), (3882, 5257), (4506, 4529)]