20527770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15913}}^1$

素因数の和:15966

約数の個数: 32

約数和(自身を含む): 50415552

約数和(自身を除く): 29887782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15913, 31826, 47739, 79565, 95478, 159130, 238695, 477390, 684259, 1368518, 2052777, 3421295, 4105554, 6842590, 10263885, 20527770]

約数ペア:

[(1, 20527770), (2, 10263885), (3, 6842590), (5, 4105554), (6, 3421295), (10, 2052777), (15, 1368518), (30, 684259), (43, 477390), (86, 238695), (129, 159130), (215, 95478), (258, 79565), (430, 47739), (645, 31826), (1290, 15913)]