20758250

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 39783744

約数和(自身を除く): 19025494

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 1931, 2150, 3862, 5375, 9655, 10750, 19310, 48275, 83033, 96550, 166066, 241375, 415165, 482750, 830330, 2075825, 4151650, 10379125, 20758250]

約数ペア:

[(1, 20758250), (2, 10379125), (5, 4151650), (10, 2075825), (25, 830330), (43, 482750), (50, 415165), (86, 241375), (125, 166066), (215, 96550), (250, 83033), (430, 48275), (1075, 19310), (1931, 10750), (2150, 9655), (3862, 5375)]