20111553620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4765771}}^1$

素因数の和:4765991

約数の個数: 24

約数和(自身を含む): 42434433888

約数和(自身を除く): 22322880268

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4765771, 9531542, 19063084, 23828855, 47657710, 95315420, 1005577681, 2011155362, 4022310724, 5027888405, 10055776810, 20111553620]

約数ペア:

[(1, 20111553620), (2, 10055776810), (4, 5027888405), (5, 4022310724), (10, 2011155362), (20, 1005577681), (211, 95315420), (422, 47657710), (844, 23828855), (1055, 19063084), (2110, 9531542), (4220, 4765771)]