20458878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1297}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 24400002

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 239, 478, 717, 1297, 1434, 2594, 2629, 3891, 5258, 7782, 7887, 14267, 15774, 28534, 42801, 85602, 309983, 619966, 929949, 1859898, 3409813, 6819626, 10229439, 20458878]

約数ペア:

[(1, 20458878), (2, 10229439), (3, 6819626), (6, 3409813), (11, 1859898), (22, 929949), (33, 619966), (66, 309983), (239, 85602), (478, 42801), (717, 28534), (1297, 15774), (1434, 14267), (2594, 7887), (2629, 7782), (3891, 5258)]