20347761

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2699}}^1$

素因数の和:3068

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 10756239

約数列:

[1, 3, 7, 21, 359, 1077, 2513, 2699, 7539, 8097, 18893, 56679, 968941, 2906823, 6782587, 20347761]

約数ペア:

[(1, 20347761), (3, 6782587), (7, 2906823), (21, 968941), (359, 56679), (1077, 18893), (2513, 8097), (2699, 7539)]