20411072

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:469

約数の個数: 56

約数和(自身を含む): 44866560

約数和(自身を除く): 24455488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 158, 176, 316, 352, 367, 632, 704, 734, 869, 1264, 1468, 1738, 2528, 2936, 3476, 4037, 5056, 5872, 6952, 8074, 11744, 13904, 16148, 23488, 27808, 28993, 32296, 55616, 57986, 64592, 115972, 129184, 231944, 258368, 318923, 463888, 637846, 927776, 1275692, 1855552, 2551384, 5102768, 10205536, 20411072]

約数ペア:

[(1, 20411072), (2, 10205536), (4, 5102768), (8, 2551384), (11, 1855552), (16, 1275692), (22, 927776), (32, 637846), (44, 463888), (64, 318923), (79, 258368), (88, 231944), (158, 129184), (176, 115972), (316, 64592), (352, 57986), (367, 55616), (632, 32296), (704, 28993), (734, 27808), (869, 23488), (1264, 16148), (1468, 13904), (1738, 11744), (2528, 8074), (2936, 6952), (3476, 5872), (4037, 5056)]