20349296

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 60

約数和(自身を含む): 45320016

約数和(自身を除く): 24970720

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 457, 484, 506, 914, 968, 1012, 1828, 1936, 2024, 2783, 3656, 4048, 5027, 5566, 7312, 10054, 10511, 11132, 20108, 21022, 22264, 40216, 42044, 44528, 55297, 80432, 84088, 110594, 115621, 168176, 221188, 231242, 442376, 462484, 884752, 924968, 1271831, 1849936, 2543662, 5087324, 10174648, 20349296]

約数ペア:

[(1, 20349296), (2, 10174648), (4, 5087324), (8, 2543662), (11, 1849936), (16, 1271831), (22, 924968), (23, 884752), (44, 462484), (46, 442376), (88, 231242), (92, 221188), (121, 168176), (176, 115621), (184, 110594), (242, 84088), (253, 80432), (368, 55297), (457, 44528), (484, 42044), (506, 40216), (914, 22264), (968, 21022), (1012, 20108), (1828, 11132), (1936, 10511), (2024, 10054), (2783, 7312), (3656, 5566), (4048, 5027)]