20895158

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 33784128

約数和(自身を除く): 12888970

約数列:

[1, 2, 37, 41, 71, 74, 82, 97, 142, 194, 1517, 2627, 2911, 3034, 3589, 3977, 5254, 5822, 6887, 7178, 7954, 13774, 107707, 147149, 215414, 254819, 282367, 294298, 509638, 564734, 10447579, 20895158]

約数ペア:

[(1, 20895158), (2, 10447579), (37, 564734), (41, 509638), (71, 294298), (74, 282367), (82, 254819), (97, 215414), (142, 147149), (194, 107707), (1517, 13774), (2627, 7954), (2911, 7178), (3034, 6887), (3589, 5822), (3977, 5254)]