20953494

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2287}}^1$

素因数の和:2804

約数の個数: 24

約数和(自身を含む): 45508320

約数和(自身を除く): 24554826

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2287, 3054, 4574, 4581, 6861, 9162, 13722, 20583, 41166, 1164083, 2328166, 3492249, 6984498, 10476747, 20953494]

約数ペア:

[(1, 20953494), (2, 10476747), (3, 6984498), (6, 3492249), (9, 2328166), (18, 1164083), (509, 41166), (1018, 20583), (1527, 13722), (2287, 9162), (3054, 6861), (4574, 4581)]