20219280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84247}}^1$

素因数の和:84263

約数の個数: 40

約数和(自身を含む): 62680512

約数和(自身を除く): 42461232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84247, 168494, 252741, 336988, 421235, 505482, 673976, 842470, 1010964, 1263705, 1347952, 1684940, 2021928, 2527410, 3369880, 4043856, 5054820, 6739760, 10109640, 20219280]

約数ペア:

[(1, 20219280), (2, 10109640), (3, 6739760), (4, 5054820), (5, 4043856), (6, 3369880), (8, 2527410), (10, 2021928), (12, 1684940), (15, 1347952), (16, 1263705), (20, 1010964), (24, 842470), (30, 673976), (40, 505482), (48, 421235), (60, 336988), (80, 252741), (120, 168494), (240, 84247)]