20205741

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2659}}^1$

素因数の和:2828

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 8522259

約数列:

[1, 3, 17, 51, 149, 447, 2533, 2659, 7599, 7977, 45203, 135609, 396191, 1188573, 6735247, 20205741]

約数ペア:

[(1, 20205741), (3, 6735247), (17, 1188573), (51, 396191), (149, 135609), (447, 45203), (2533, 7977), (2659, 7599)]