20615276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6599}}^1$

素因数の和:6685

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 19301524

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6599, 13198, 26396, 72589, 145178, 290356, 468529, 937058, 1874116, 5153819, 10307638, 20615276]

約数ペア:

[(1, 20615276), (2, 10307638), (4, 5153819), (11, 1874116), (22, 937058), (44, 468529), (71, 290356), (142, 145178), (284, 72589), (781, 26396), (1562, 13198), (3124, 6599)]