20603456

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 56

約数和(自身を含む): 44851320

約数和(自身を除く): 24247864

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 136, 232, 272, 464, 493, 544, 653, 928, 986, 1088, 1306, 1856, 1972, 2612, 3944, 5224, 7888, 10448, 11101, 15776, 18937, 20896, 22202, 31552, 37874, 41792, 44404, 75748, 88808, 151496, 177616, 302992, 321929, 355232, 605984, 643858, 710464, 1211968, 1287716, 2575432, 5150864, 10301728, 20603456]

約数ペア:

[(1, 20603456), (2, 10301728), (4, 5150864), (8, 2575432), (16, 1287716), (17, 1211968), (29, 710464), (32, 643858), (34, 605984), (58, 355232), (64, 321929), (68, 302992), (116, 177616), (136, 151496), (232, 88808), (272, 75748), (464, 44404), (493, 41792), (544, 37874), (653, 31552), (928, 22202), (986, 20896), (1088, 18937), (1306, 15776), (1856, 11101), (1972, 10448), (2612, 7888), (3944, 5224)]