20807190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3167}}^1$

素因数の和:3253

約数の個数: 48

約数和(自身を含む): 54857088

約数和(自身を除く): 34049898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3167, 3285, 6334, 6570, 9501, 15835, 19002, 28503, 31670, 47505, 57006, 95010, 142515, 231191, 285030, 462382, 693573, 1155955, 1387146, 2080719, 2311910, 3467865, 4161438, 6935730, 10403595, 20807190]

約数ペア:

[(1, 20807190), (2, 10403595), (3, 6935730), (5, 4161438), (6, 3467865), (9, 2311910), (10, 2080719), (15, 1387146), (18, 1155955), (30, 693573), (45, 462382), (73, 285030), (90, 231191), (146, 142515), (219, 95010), (365, 57006), (438, 47505), (657, 31670), (730, 28503), (1095, 19002), (1314, 15835), (2190, 9501), (3167, 6570), (3285, 6334)]