20290680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 66549600

約数和(自身を除く): 46258920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 359, 360, 471, 628, 718, 785, 942, 1077, 1256, 1413, 1436, 1570, 1795, 1884, 2154, 2355, 2826, 2872, 3140, 3231, 3590, 3768, 4308, 4710, 5385, 5652, 6280, 6462, 7065, 7180, 8616, 9420, 10770, 11304, 12924, 14130, 14360, 16155, 18840, 21540, 25848, 28260, 32310, 43080, 56363, 56520, 64620, 112726, 129240, 169089, 225452, 281815, 338178, 450904, 507267, 563630, 676356, 845445, 1014534, 1127260, 1352712, 1690890, 2029068, 2254520, 2536335, 3381780, 4058136, 5072670, 6763560, 10145340, 20290680]

約数ペア:

[(1, 20290680), (2, 10145340), (3, 6763560), (4, 5072670), (5, 4058136), (6, 3381780), (8, 2536335), (9, 2254520), (10, 2029068), (12, 1690890), (15, 1352712), (18, 1127260), (20, 1014534), (24, 845445), (30, 676356), (36, 563630), (40, 507267), (45, 450904), (60, 338178), (72, 281815), (90, 225452), (120, 169089), (157, 129240), (180, 112726), (314, 64620), (359, 56520), (360, 56363), (471, 43080), (628, 32310), (718, 28260), (785, 25848), (942, 21540), (1077, 18840), (1256, 16155), (1413, 14360), (1436, 14130), (1570, 12924), (1795, 11304), (1884, 10770), (2154, 9420), (2355, 8616), (2826, 7180), (2872, 7065), (3140, 6462), (3231, 6280), (3590, 5652), (3768, 5385), (4308, 4710)]