20217951

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57601}}^1$

素因数の和:57623

約数の個数: 16

約数和(自身を含む): 32257120

約数和(自身を除く): 12039169

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57601, 172803, 518409, 748813, 1555227, 2246439, 6739317, 20217951]

約数ペア:

[(1, 20217951), (3, 6739317), (9, 2246439), (13, 1555227), (27, 748813), (39, 518409), (117, 172803), (351, 57601)]