20178800381

素因数分解:

${\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{31319}}^1$

素因数の和:31708

約数の個数: 16

約数和(自身を含む): 21332678400

約数和(自身を除く): 1153878019

約数列:

[1, 23, 109, 257, 2507, 5911, 28013, 31319, 644299, 720337, 3413771, 8048983, 78516733, 185126609, 877339147, 20178800381]

約数ペア:

[(1, 20178800381), (23, 877339147), (109, 185126609), (257, 78516733), (2507, 8048983), (5911, 3413771), (28013, 720337), (31319, 644299)]