20973986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50177}}^1$

素因数の和:50209

約数の個数: 16

約数和(自身を含む): 36128160

約数和(自身を除く): 15154174

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50177, 100354, 551947, 953363, 1103894, 1906726, 10486993, 20973986]

約数ペア:

[(1, 20973986), (2, 10486993), (11, 1906726), (19, 1103894), (22, 953363), (38, 551947), (209, 100354), (418, 50177)]