20512690625

素因数分解:

$5^5\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2833}}^1$

素因数の和:3196

約数の個数: 48

約数和(自身を含む): 29400868224

約数和(自身を除く): 8888177599

約数列:

[1, 5, 7, 25, 35, 125, 175, 331, 625, 875, 1655, 2317, 2833, 3125, 4375, 8275, 11585, 14165, 19831, 21875, 41375, 57925, 70825, 99155, 206875, 289625, 354125, 495775, 937723, 1034375, 1448125, 1770625, 2478875, 4688615, 6564061, 7240625, 8853125, 12394375, 23443075, 32820305, 61971875, 117215375, 164101525, 586076875, 820507625, 2930384375, 4102538125, 20512690625]

約数ペア:

[(1, 20512690625), (5, 4102538125), (7, 2930384375), (25, 820507625), (35, 586076875), (125, 164101525), (175, 117215375), (331, 61971875), (625, 32820305), (875, 23443075), (1655, 12394375), (2317, 8853125), (2833, 7240625), (3125, 6564061), (4375, 4688615), (8275, 2478875), (11585, 1770625), (14165, 1448125), (19831, 1034375), (21875, 937723), (41375, 495775), (57925, 354125), (70825, 289625), (99155, 206875)]