20537075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 28383600

約数和(自身を除く): 7846525

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2179, 9425, 10895, 28327, 54475, 63191, 141635, 315955, 708175, 821483, 1579775, 4107415, 20537075]

約数ペア:

[(1, 20537075), (5, 4107415), (13, 1579775), (25, 821483), (29, 708175), (65, 315955), (145, 141635), (325, 63191), (377, 54475), (725, 28327), (1885, 10895), (2179, 9425)]