20737263

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5147}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8915217

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5147, 15441, 87499, 262497, 406613, 1219839, 6912421, 20737263]

約数ペア:

[(1, 20737263), (3, 6912421), (17, 1219839), (51, 406613), (79, 262497), (237, 87499), (1343, 15441), (4029, 5147)]