20475633

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4139}}^1$

素因数の和:4256

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 8736207

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4139, 4947, 12417, 70363, 211089, 401483, 1204449, 6825211, 20475633]

約数ペア:

[(1, 20475633), (3, 6825211), (17, 1204449), (51, 401483), (97, 211089), (291, 70363), (1649, 12417), (4139, 4947)]