20025380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32299}}^1$

素因数の和:32339

約数の個数: 24

約数和(自身を含む): 43411200

約数和(自身を除く): 23385820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32299, 64598, 129196, 161495, 322990, 645980, 1001269, 2002538, 4005076, 5006345, 10012690, 20025380]

約数ペア:

[(1, 20025380), (2, 10012690), (4, 5006345), (5, 4005076), (10, 2002538), (20, 1001269), (31, 645980), (62, 322990), (124, 161495), (155, 129196), (310, 64598), (620, 32299)]