20123686079

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{173359}}^1$

素因数の和:173499

約数の個数: 24

約数和(自身を含む): 24664273920

約数和(自身を除く): 4540587841

約数列:

[1, 7, 23, 49, 103, 161, 721, 1127, 2369, 5047, 16583, 116081, 173359, 1213513, 3987257, 8494591, 17855977, 27910799, 124991839, 195375593, 410687471, 874942873, 2874812297, 20123686079]

約数ペア:

[(1, 20123686079), (7, 2874812297), (23, 874942873), (49, 410687471), (103, 195375593), (161, 124991839), (721, 27910799), (1127, 17855977), (2369, 8494591), (5047, 3987257), (16583, 1213513), (116081, 173359)]