20167572460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{308467}}^1$

素因数の和:308950

約数の個数: 48

約数和(自身を含む): 48505976064

約数和(自身を除く): 28338403604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 467, 934, 1868, 2335, 3269, 4670, 6538, 9340, 13076, 16345, 32690, 65380, 308467, 616934, 1233868, 1542335, 2159269, 3084670, 4318538, 6169340, 8637076, 10796345, 21592690, 43185380, 144054089, 288108178, 576216356, 720270445, 1008378623, 1440540890, 2016757246, 2881081780, 4033514492, 5041893115, 10083786230, 20167572460]

約数ペア:

[(1, 20167572460), (2, 10083786230), (4, 5041893115), (5, 4033514492), (7, 2881081780), (10, 2016757246), (14, 1440540890), (20, 1008378623), (28, 720270445), (35, 576216356), (70, 288108178), (140, 144054089), (467, 43185380), (934, 21592690), (1868, 10796345), (2335, 8637076), (3269, 6169340), (4670, 4318538), (6538, 3084670), (9340, 2159269), (13076, 1542335), (16345, 1233868), (32690, 616934), (65380, 308467)]