20607120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28621}}^1$

素因数の和:28640

約数の個数: 60

約数和(自身を含む): 69207996

約数和(自身を除く): 48600876

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, 28621, 57242, 85863, 114484, 143105, 171726, 228968, 257589, 286210, 343452, 429315, 457936, 515178, 572420, 686904, 858630, 1030356, 1144840, 1287945, 1373808, 1717260, 2060712, 2289680, 2575890, 3434520, 4121424, 5151780, 6869040, 10303560, 20607120]

約数ペア:

[(1, 20607120), (2, 10303560), (3, 6869040), (4, 5151780), (5, 4121424), (6, 3434520), (8, 2575890), (9, 2289680), (10, 2060712), (12, 1717260), (15, 1373808), (16, 1287945), (18, 1144840), (20, 1030356), (24, 858630), (30, 686904), (36, 572420), (40, 515178), (45, 457936), (48, 429315), (60, 343452), (72, 286210), (80, 257589), (90, 228968), (120, 171726), (144, 143105), (180, 114484), (240, 85863), (360, 57242), (720, 28621)]