20904508714820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55011865039}}^1$

素因数の和:55011865067

約数の個数: 24

約数和(自身を含む): 46209966633600

約数和(自身を除く): 25305457918780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 55011865039, 110023730078, 220047460156, 275059325195, 550118650390, 1045225435741, 1100237300780, 2090450871482, 4180901742964, 5226127178705, 10452254357410, 20904508714820]

約数ペア:

[(1, 20904508714820), (2, 10452254357410), (4, 5226127178705), (5, 4180901742964), (10, 2090450871482), (19, 1100237300780), (20, 1045225435741), (38, 550118650390), (76, 275059325195), (95, 220047460156), (190, 110023730078), (380, 55011865039)]