20299220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53419}}^1$

素因数の和:53447

約数の個数: 24

約数和(自身を含む): 44872800

約数和(自身を除く): 24573580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53419, 106838, 213676, 267095, 534190, 1014961, 1068380, 2029922, 4059844, 5074805, 10149610, 20299220]

約数ペア:

[(1, 20299220), (2, 10149610), (4, 5074805), (5, 4059844), (10, 2029922), (19, 1068380), (20, 1014961), (38, 534190), (76, 267095), (95, 213676), (190, 106838), (380, 53419)]