20396842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 33652800

約数和(自身を除く): 13255958

約数列:

[1, 2, 19, 37, 38, 74, 89, 163, 178, 326, 703, 1406, 1691, 3097, 3293, 3382, 6031, 6194, 6586, 12062, 14507, 29014, 62567, 114589, 125134, 229178, 275633, 536759, 551266, 1073518, 10198421, 20396842]

約数ペア:

[(1, 20396842), (2, 10198421), (19, 1073518), (37, 551266), (38, 536759), (74, 275633), (89, 229178), (163, 125134), (178, 114589), (326, 62567), (703, 29014), (1406, 14507), (1691, 12062), (3097, 6586), (3293, 6194), (3382, 6031)]