20993746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1583}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 12270254

約数列:

[1, 2, 19, 38, 349, 698, 1583, 3166, 6631, 13262, 30077, 60154, 552467, 1104934, 10496873, 20993746]

約数ペア:

[(1, 20993746), (2, 10496873), (19, 1104934), (38, 552467), (349, 60154), (698, 30077), (1583, 13262), (3166, 6631)]