20289420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37573}}^1$

素因数の和:37591

約数の個数: 48

約数和(自身を含む): 63124320

約数和(自身を除く): 42834900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37573, 75146, 112719, 150292, 187865, 225438, 338157, 375730, 450876, 563595, 676314, 751460, 1014471, 1127190, 1352628, 1690785, 2028942, 2254380, 3381570, 4057884, 5072355, 6763140, 10144710, 20289420]

約数ペア:

[(1, 20289420), (2, 10144710), (3, 6763140), (4, 5072355), (5, 4057884), (6, 3381570), (9, 2254380), (10, 2028942), (12, 1690785), (15, 1352628), (18, 1127190), (20, 1014471), (27, 751460), (30, 676314), (36, 563595), (45, 450876), (54, 375730), (60, 338157), (90, 225438), (108, 187865), (135, 150292), (180, 112719), (270, 75146), (540, 37573)]