20800150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 44925696

約数和(自身を除く): 24125546

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 134, 175, 335, 350, 469, 670, 887, 938, 1675, 1774, 2345, 3350, 4435, 4690, 6209, 8870, 11725, 12418, 22175, 23450, 31045, 44350, 59429, 62090, 118858, 155225, 297145, 310450, 416003, 594290, 832006, 1485725, 2080015, 2971450, 4160030, 10400075, 20800150]

約数ペア:

[(1, 20800150), (2, 10400075), (5, 4160030), (7, 2971450), (10, 2080015), (14, 1485725), (25, 832006), (35, 594290), (50, 416003), (67, 310450), (70, 297145), (134, 155225), (175, 118858), (335, 62090), (350, 59429), (469, 44350), (670, 31045), (887, 23450), (938, 22175), (1675, 12418), (1774, 11725), (2345, 8870), (3350, 6209), (4435, 4690)]