20106955640

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{447617}}^1$

素因数の和:448751

約数の個数: 32

約数和(自身を含む): 45281036880

約数和(自身を除く): 25174081240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 2246, 4492, 5615, 8984, 11230, 22460, 44920, 447617, 895234, 1790468, 2238085, 3580936, 4476170, 8952340, 17904680, 502673891, 1005347782, 2010695564, 2513369455, 4021391128, 5026738910, 10053477820, 20106955640]

約数ペア:

[(1, 20106955640), (2, 10053477820), (4, 5026738910), (5, 4021391128), (8, 2513369455), (10, 2010695564), (20, 1005347782), (40, 502673891), (1123, 17904680), (2246, 8952340), (4492, 4476170), (5615, 3580936), (8984, 2238085), (11230, 1790468), (22460, 895234), (44920, 447617)]