20719875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5023}}^1$

素因数の和:5052

約数の個数: 32

約数和(自身を含む): 37619712

約数和(自身を除く): 16899837

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 5023, 15069, 25115, 55253, 75345, 125575, 165759, 276265, 376725, 627875, 828795, 1381325, 1883625, 4143975, 6906625, 20719875]

約数ペア:

[(1, 20719875), (3, 6906625), (5, 4143975), (11, 1883625), (15, 1381325), (25, 828795), (33, 627875), (55, 376725), (75, 276265), (125, 165759), (165, 125575), (275, 75345), (375, 55253), (825, 25115), (1375, 15069), (4125, 5023)]