20571925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 28033920

約数和(自身を除く): 7461995

約数列:

[1, 5, 11, 25, 55, 239, 275, 313, 1195, 1565, 2629, 3443, 5975, 7825, 13145, 17215, 65725, 74807, 86075, 374035, 822877, 1870175, 4114385, 20571925]

約数ペア:

[(1, 20571925), (5, 4114385), (11, 1870175), (25, 822877), (55, 374035), (239, 86075), (275, 74807), (313, 65725), (1195, 17215), (1565, 13145), (2629, 7825), (3443, 5975)]