20950797

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6607}}^1$

素因数の和:6768

約数の個数: 16

約数和(自身を含む): 32141312

約数和(自身を除く): 11190515

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6607, 19821, 46249, 138747, 997657, 2992971, 6983599, 20950797]

約数ペア:

[(1, 20950797), (3, 6983599), (7, 2992971), (21, 997657), (151, 138747), (453, 46249), (1057, 19821), (3171, 6607)]