20697616

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{1277}}^1$

素因数の和:2298

約数の個数: 20

約数和(自身を含む): 40172652

約数和(自身を除く): 19475036

約数列:

[1, 2, 4, 8, 16, 1013, 1277, 2026, 2554, 4052, 5108, 8104, 10216, 16208, 20432, 1293601, 2587202, 5174404, 10348808, 20697616]

約数ペア:

[(1, 20697616), (2, 10348808), (4, 5174404), (8, 2587202), (16, 1293601), (1013, 20432), (1277, 16208), (2026, 10216), (2554, 8104), (4052, 5108)]