20605552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 60

約数和(自身を含む): 45338616

約数和(自身を除く): 24733064

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 53, 88, 94, 106, 176, 188, 212, 376, 424, 517, 583, 752, 848, 1034, 1166, 2068, 2209, 2332, 2491, 4136, 4418, 4664, 4982, 8272, 8836, 9328, 9964, 17672, 19928, 24299, 27401, 35344, 39856, 48598, 54802, 97196, 109604, 117077, 194392, 219208, 234154, 388784, 438416, 468308, 936616, 1287847, 1873232, 2575694, 5151388, 10302776, 20605552]

約数ペア:

[(1, 20605552), (2, 10302776), (4, 5151388), (8, 2575694), (11, 1873232), (16, 1287847), (22, 936616), (44, 468308), (47, 438416), (53, 388784), (88, 234154), (94, 219208), (106, 194392), (176, 117077), (188, 109604), (212, 97196), (376, 54802), (424, 48598), (517, 39856), (583, 35344), (752, 27401), (848, 24299), (1034, 19928), (1166, 17672), (2068, 9964), (2209, 9328), (2332, 8836), (2491, 8272), (4136, 4982), (4418, 4664)]