20688378191

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1607}}^1\times {\mathrm{4481}}^1$

素因数の和:6131

約数の個数: 24

約数和(自身を含む): 23740042464

約数和(自身を除く): 3051664273

約数列:

[1, 13, 17, 169, 221, 1607, 2873, 4481, 20891, 27319, 58253, 76177, 271583, 355147, 757289, 990301, 4616911, 7200967, 12873913, 93612571, 122416439, 1216963423, 1591413707, 20688378191]

約数ペア:

[(1, 20688378191), (13, 1591413707), (17, 1216963423), (169, 122416439), (221, 93612571), (1607, 12873913), (2873, 7200967), (4481, 4616911), (20891, 990301), (27319, 757289), (58253, 355147), (76177, 271583)]