20408415601

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1377179}}^1$

素因数の和:1377288

約数の個数: 16

約数和(自身を含む): 24458716800

約数和(自身を除く): 4050301199

約数列:

[1, 7, 29, 73, 203, 511, 2117, 14819, 1377179, 9640253, 39938191, 100534067, 279567337, 703738469, 2915487943, 20408415601]

約数ペア:

[(1, 20408415601), (7, 2915487943), (29, 703738469), (73, 279567337), (203, 100534067), (511, 39938191), (2117, 9640253), (14819, 1377179)]