20306636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 44202816

約数和(自身を除く): 23896180

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 476, 518, 629, 1036, 1153, 1258, 2306, 2516, 4403, 4612, 8071, 8806, 16142, 17612, 19601, 32284, 39202, 42661, 78404, 85322, 137207, 170644, 274414, 298627, 548828, 597254, 725237, 1194508, 1450474, 2900948, 5076659, 10153318, 20306636]

約数ペア:

[(1, 20306636), (2, 10153318), (4, 5076659), (7, 2900948), (14, 1450474), (17, 1194508), (28, 725237), (34, 597254), (37, 548828), (68, 298627), (74, 274414), (119, 170644), (148, 137207), (238, 85322), (259, 78404), (476, 42661), (518, 39202), (629, 32284), (1036, 19601), (1153, 17612), (1258, 16142), (2306, 8806), (2516, 8071), (4403, 4612)]