20404764245

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{2969}}^1$

素因数の和:3317

約数の個数: 32

約数和(自身を含む): 25181798400

約数和(自身を除く): 4777034155

約数列:

[1, 5, 79, 127, 137, 395, 635, 685, 2969, 10033, 10823, 14845, 17399, 50165, 54115, 86995, 234551, 377063, 406753, 1172755, 1374521, 1885315, 2033765, 6872605, 29787977, 32133487, 51657631, 148939885, 160667435, 258288155, 4080952849, 20404764245]

約数ペア:

[(1, 20404764245), (5, 4080952849), (79, 258288155), (127, 160667435), (137, 148939885), (395, 51657631), (635, 32133487), (685, 29787977), (2969, 6872605), (10033, 2033765), (10823, 1885315), (14845, 1374521), (17399, 1172755), (50165, 406753), (54115, 377063), (86995, 234551)]