20209680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28069}}^1$

素因数の和:28088

約数の個数: 60

約数和(自身を含む): 67873260

約数和(自身を除く): 47663580

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, 28069, 56138, 84207, 112276, 140345, 168414, 224552, 252621, 280690, 336828, 421035, 449104, 505242, 561380, 673656, 842070, 1010484, 1122760, 1263105, 1347312, 1684140, 2020968, 2245520, 2526210, 3368280, 4041936, 5052420, 6736560, 10104840, 20209680]

約数ペア:

[(1, 20209680), (2, 10104840), (3, 6736560), (4, 5052420), (5, 4041936), (6, 3368280), (8, 2526210), (9, 2245520), (10, 2020968), (12, 1684140), (15, 1347312), (16, 1263105), (18, 1122760), (20, 1010484), (24, 842070), (30, 673656), (36, 561380), (40, 505242), (45, 449104), (48, 421035), (60, 336828), (72, 280690), (80, 252621), (90, 224552), (120, 168414), (144, 140345), (180, 112276), (240, 84207), (360, 56138), (720, 28069)]