20187854555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1\times {\mathrm{246509}}^1$

素因数の和:248014

約数の個数: 16

約数和(自身を含む): 26445592800

約数和(自身を除く): 6257738245

約数列:

[1, 5, 11, 55, 1489, 7445, 16379, 81895, 246509, 1232545, 2711599, 13557995, 367051901, 1835259505, 4037570911, 20187854555]

約数ペア:

[(1, 20187854555), (5, 4037570911), (11, 1835259505), (55, 367051901), (1489, 13557995), (7445, 2711599), (16379, 1232545), (81895, 246509)]