20591199

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 32667840

約数和(自身を除く): 12076641

約数列:

[1, 3, 9, 17, 27, 51, 113, 153, 339, 397, 459, 1017, 1191, 1921, 3051, 3573, 5763, 6749, 10719, 17289, 20247, 44861, 51867, 60741, 134583, 182223, 403749, 762637, 1211247, 2287911, 6863733, 20591199]

約数ペア:

[(1, 20591199), (3, 6863733), (9, 2287911), (17, 1211247), (27, 762637), (51, 403749), (113, 182223), (153, 134583), (339, 60741), (397, 51867), (459, 44861), (1017, 20247), (1191, 17289), (1921, 10719), (3051, 6749), (3573, 5763)]