20700407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13381}}^1$

素因数の和:13418

約数の個数: 16

約数和(自身を含む): 26978112

約数和(自身を除く): 6277705

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13381, 93667, 173953, 227477, 1217671, 1592339, 2957201, 20700407]

約数ペア:

[(1, 20700407), (7, 2957201), (13, 1592339), (17, 1217671), (91, 227477), (119, 173953), (221, 93667), (1547, 13381)]