20179958979

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{5101}}^1$

素因数の和:5475

約数の個数: 32

約数和(自身を含む): 27771206400

約数和(自身を除く): 7591247421

約数列:

[1, 3, 53, 139, 159, 179, 417, 537, 5101, 7367, 9487, 15303, 22101, 24881, 28461, 74643, 270353, 709039, 811059, 913079, 1318693, 2127117, 2739237, 3956079, 37579067, 48393187, 112737201, 126917981, 145179561, 380753943, 6726652993, 20179958979]

約数ペア:

[(1, 20179958979), (3, 6726652993), (53, 380753943), (139, 145179561), (159, 126917981), (179, 112737201), (417, 48393187), (537, 37579067), (5101, 3956079), (7367, 2739237), (9487, 2127117), (15303, 1318693), (22101, 913079), (24881, 811059), (28461, 709039), (74643, 270353)]