20941886

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51581}}^1$

素因数の和:51619

約数の個数: 16

約数和(自身を含む): 37139040

約数和(自身を除く): 16197154

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51581, 103162, 361067, 722134, 1495849, 2991698, 10470943, 20941886]

約数ペア:

[(1, 20941886), (2, 10470943), (7, 2991698), (14, 1495849), (29, 722134), (58, 361067), (203, 103162), (406, 51581)]