20041465

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 25174800

約数和(自身を除く): 5133335

約数列:

[1, 5, 29, 89, 145, 445, 1553, 2581, 7765, 12905, 45037, 138217, 225185, 691085, 4008293, 20041465]

約数ペア:

[(1, 20041465), (5, 4008293), (29, 691085), (89, 225185), (145, 138217), (445, 45037), (1553, 12905), (2581, 7765)]