20655702

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16631}}^1$

素因数の和:16665

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 27244458

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16631, 33262, 49893, 99786, 149679, 299358, 382513, 449037, 765026, 898074, 1147539, 2295078, 3442617, 6885234, 10327851, 20655702]

約数ペア:

[(1, 20655702), (2, 10327851), (3, 6885234), (6, 3442617), (9, 2295078), (18, 1147539), (23, 898074), (27, 765026), (46, 449037), (54, 382513), (69, 299358), (138, 149679), (207, 99786), (414, 49893), (621, 33262), (1242, 16631)]