20537746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12569}}^1$

素因数の和:12633

約数の個数: 16

約数和(自身を含む): 33184800

約数和(自身を除く): 12647054

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12569, 25138, 238811, 477622, 540467, 1080934, 10268873, 20537746]

約数ペア:

[(1, 20537746), (2, 10268873), (19, 1080934), (38, 540467), (43, 477622), (86, 238811), (817, 25138), (1634, 12569)]