20434538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2971}}^1$

素因数の和:3173

約数の個数: 16

約数和(自身を含む): 32454240

約数和(自身を除く): 12019702

約数列:

[1, 2, 19, 38, 181, 362, 2971, 3439, 5942, 6878, 56449, 112898, 537751, 1075502, 10217269, 20434538]

約数ペア:

[(1, 20434538), (2, 10217269), (19, 1075502), (38, 537751), (181, 112898), (362, 56449), (2971, 6878), (3439, 5942)]