20459503345

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1\times {\mathrm{1291}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 25384389120

約数和(自身を除く): 4924885775

約数列:

[1, 5, 53, 79, 265, 395, 757, 1291, 3785, 4187, 6455, 20935, 40121, 59803, 68423, 101989, 200605, 299015, 342115, 509945, 977287, 3169559, 4886435, 5405417, 15847795, 27027085, 51796211, 77205673, 258981055, 386028365, 4091900669, 20459503345]

約数ペア:

[(1, 20459503345), (5, 4091900669), (53, 386028365), (79, 258981055), (265, 77205673), (395, 51796211), (757, 27027085), (1291, 15847795), (3785, 5405417), (4187, 4886435), (6455, 3169559), (20935, 977287), (40121, 509945), (59803, 342115), (68423, 299015), (101989, 200605)]