20943075

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9629}}^1$

素因数の和:9671

約数の個数: 24

約数和(自身を含む): 35823600

約数和(自身を除く): 14880525

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9629, 28887, 48145, 144435, 240725, 279241, 722175, 837723, 1396205, 4188615, 6981025, 20943075]

約数ペア:

[(1, 20943075), (3, 6981025), (5, 4188615), (15, 1396205), (25, 837723), (29, 722175), (75, 279241), (87, 240725), (145, 144435), (435, 48145), (725, 28887), (2175, 9629)]