20724262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 34685280

約数和(自身を除く): 13961018

約数列:

[1, 2, 13, 26, 61, 73, 122, 146, 179, 358, 793, 949, 1586, 1898, 2327, 4453, 4654, 8906, 10919, 13067, 21838, 26134, 57889, 115778, 141947, 169871, 283894, 339742, 797087, 1594174, 10362131, 20724262]

約数ペア:

[(1, 20724262), (2, 10362131), (13, 1594174), (26, 797087), (61, 339742), (73, 283894), (122, 169871), (146, 141947), (179, 115778), (358, 57889), (793, 26134), (949, 21838), (1586, 13067), (1898, 10919), (2327, 8906), (4453, 4654)]