20684640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43093}}^1$

素因数の和:43111

約数の個数: 48

約数和(自身を含む): 65158128

約数和(自身を除く): 44473488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43093, 86186, 129279, 172372, 215465, 258558, 344744, 430930, 517116, 646395, 689488, 861860, 1034232, 1292790, 1378976, 1723720, 2068464, 2585580, 3447440, 4136928, 5171160, 6894880, 10342320, 20684640]

約数ペア:

[(1, 20684640), (2, 10342320), (3, 6894880), (4, 5171160), (5, 4136928), (6, 3447440), (8, 2585580), (10, 2068464), (12, 1723720), (15, 1378976), (16, 1292790), (20, 1034232), (24, 861860), (30, 689488), (32, 646395), (40, 517116), (48, 430930), (60, 344744), (80, 258558), (96, 215465), (120, 172372), (160, 129279), (240, 86186), (480, 43093)]