820804532

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{10163}}^1$

素因数の和:10559

約数の個数: 24

約数和(自身を含む): 1464510432

約数和(自身を除く): 643705900

約数列:

[1, 2, 4, 61, 122, 244, 331, 662, 1324, 10163, 20191, 20326, 40382, 40652, 80764, 619943, 1239886, 2479772, 3363953, 6727906, 13455812, 205201133, 410402266, 820804532]

約数ペア:

[(1, 820804532), (2, 410402266), (4, 205201133), (61, 13455812), (122, 6727906), (244, 3363953), (331, 2479772), (662, 1239886), (1324, 619943), (10163, 80764), (20191, 40652), (20326, 40382)]