20895120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29021}}^1$

素因数の和:29040

約数の個数: 60

約数和(自身を含む): 70175196

約数和(自身を除く): 49280076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29021, 58042, 87063, 116084, 145105, 174126, 232168, 261189, 290210, 348252, 435315, 464336, 522378, 580420, 696504, 870630, 1044756, 1160840, 1305945, 1393008, 1741260, 2089512, 2321680, 2611890, 3482520, 4179024, 5223780, 6965040, 10447560, 20895120]

約数ペア:

[(1, 20895120), (2, 10447560), (3, 6965040), (4, 5223780), (5, 4179024), (6, 3482520), (8, 2611890), (9, 2321680), (10, 2089512), (12, 1741260), (15, 1393008), (16, 1305945), (18, 1160840), (20, 1044756), (24, 870630), (30, 696504), (36, 580420), (40, 522378), (45, 464336), (48, 435315), (60, 348252), (72, 290210), (80, 261189), (90, 232168), (120, 174126), (144, 145105), (180, 116084), (240, 87063), (360, 58042), (720, 29021)]