20138313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16657}}^1$

素因数の和:16704

約数の個数: 16

約数和(自身を含む): 29851136

約数和(自身を除く): 9712823

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16657, 49971, 216541, 516367, 649623, 1549101, 6712771, 20138313]

約数ペア:

[(1, 20138313), (3, 6712771), (13, 1549101), (31, 649623), (39, 516367), (93, 216541), (403, 49971), (1209, 16657)]