20199398288

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{1246261}}^1$

素因数の和:1247282

約数の個数: 20

約数和(自身を含む): 39174999708

約数和(自身を除く): 18975601420

約数列:

[1, 2, 4, 8, 16, 1013, 2026, 4052, 8104, 16208, 1246261, 2492522, 4985044, 9970088, 19940176, 1262462393, 2524924786, 5049849572, 10099699144, 20199398288]

約数ペア:

[(1, 20199398288), (2, 10099699144), (4, 5049849572), (8, 2524924786), (16, 1262462393), (1013, 19940176), (2026, 9970088), (4052, 4985044), (8104, 2492522), (16208, 1246261)]