20217296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 42985344

約数和(自身を除く): 22768048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 313, 367, 626, 734, 1252, 1468, 2504, 2936, 3443, 4037, 5008, 5872, 6886, 8074, 13772, 16148, 27544, 32296, 55088, 64592, 114871, 229742, 459484, 918968, 1263581, 1837936, 2527162, 5054324, 10108648, 20217296]

約数ペア:

[(1, 20217296), (2, 10108648), (4, 5054324), (8, 2527162), (11, 1837936), (16, 1263581), (22, 918968), (44, 459484), (88, 229742), (176, 114871), (313, 64592), (367, 55088), (626, 32296), (734, 27544), (1252, 16148), (1468, 13772), (2504, 8074), (2936, 6886), (3443, 5872), (4037, 5008)]