20858024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 42841440

約数和(自身を除く): 21983416

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 563, 842, 1126, 1684, 2252, 3368, 4504, 4631, 6193, 9262, 12386, 18524, 24772, 37048, 49544, 237023, 474046, 948092, 1896184, 2607253, 5214506, 10429012, 20858024]

約数ペア:

[(1, 20858024), (2, 10429012), (4, 5214506), (8, 2607253), (11, 1896184), (22, 948092), (44, 474046), (88, 237023), (421, 49544), (563, 37048), (842, 24772), (1126, 18524), (1684, 12386), (2252, 9262), (3368, 6193), (4504, 4631)]