20425617835

素因数分解:

$5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1500229}}^1$

素因数の和:1500630

約数の個数: 16

約数和(自身を含む): 28084305600

約数和(自身を除く): 7658687765

約数列:

[1, 5, 7, 35, 389, 1945, 2723, 13615, 1500229, 7501145, 10501603, 52508015, 583589081, 2917945405, 4085123567, 20425617835]

約数ペア:

[(1, 20425617835), (5, 4085123567), (7, 2917945405), (35, 583589081), (389, 52508015), (1945, 10501603), (2723, 7501145), (13615, 1500229)]