20050780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3203}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 42254352

約数和(自身を除く): 22203572

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3203, 6260, 6406, 12812, 16015, 32030, 64060, 1002539, 2005078, 4010156, 5012695, 10025390, 20050780]

約数ペア:

[(1, 20050780), (2, 10025390), (4, 5012695), (5, 4010156), (10, 2005078), (20, 1002539), (313, 64060), (626, 32030), (1252, 16015), (1565, 12812), (3130, 6406), (3203, 6260)]