20876816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76753}}^1$

素因数の和:76778

約数の個数: 20

約数和(自身を含む): 42828732

約数和(自身を除く): 21951916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76753, 153506, 307012, 614024, 1228048, 1304801, 2609602, 5219204, 10438408, 20876816]

約数ペア:

[(1, 20876816), (2, 10438408), (4, 5219204), (8, 2609602), (16, 1304801), (17, 1228048), (34, 614024), (68, 307012), (136, 153506), (272, 76753)]