20794155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 34484736

約数和(自身を除く): 13690581

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 313, 515, 645, 939, 1545, 1565, 4429, 4695, 13287, 13459, 22145, 32239, 40377, 66435, 67295, 96717, 161195, 201885, 483585, 1386277, 4158831, 6931385, 20794155]

約数ペア:

[(1, 20794155), (3, 6931385), (5, 4158831), (15, 1386277), (43, 483585), (103, 201885), (129, 161195), (215, 96717), (309, 67295), (313, 66435), (515, 40377), (645, 32239), (939, 22145), (1545, 13459), (1565, 13287), (4429, 4695)]