20189294

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 30954960

約数和(自身を除く): 10765666

約数列:

[1, 2, 89, 101, 178, 202, 1123, 2246, 8989, 17978, 99947, 113423, 199894, 226846, 10094647, 20189294]

約数ペア:

[(1, 20189294), (2, 10094647), (89, 226846), (101, 199894), (178, 113423), (202, 99947), (1123, 17978), (2246, 8989)]