20715844

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 16781756

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1439, 2878, 3599, 5756, 7198, 14396, 84901, 87779, 169802, 175558, 339604, 351116, 5178961, 10357922, 20715844]

約数ペア:

[(1, 20715844), (2, 10357922), (4, 5178961), (59, 351116), (61, 339604), (118, 175558), (122, 169802), (236, 87779), (244, 84901), (1439, 14396), (2878, 7198), (3599, 5756)]