20894072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 41677200

約数和(自身を除く): 20783128

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1361, 1919, 2722, 3838, 5444, 7676, 10888, 15352, 25859, 51718, 103436, 137461, 206872, 274922, 549844, 1099688, 2611759, 5223518, 10447036, 20894072]

約数ペア:

[(1, 20894072), (2, 10447036), (4, 5223518), (8, 2611759), (19, 1099688), (38, 549844), (76, 274922), (101, 206872), (152, 137461), (202, 103436), (404, 51718), (808, 25859), (1361, 15352), (1919, 10888), (2722, 7676), (3838, 5444)]