20077136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 41497344

約数和(自身を除く): 21420208

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 223, 272, 331, 446, 662, 892, 1324, 1784, 2648, 3568, 3791, 5296, 5627, 7582, 11254, 15164, 22508, 30328, 45016, 60656, 73813, 90032, 147626, 295252, 590504, 1181008, 1254821, 2509642, 5019284, 10038568, 20077136]

約数ペア:

[(1, 20077136), (2, 10038568), (4, 5019284), (8, 2509642), (16, 1254821), (17, 1181008), (34, 590504), (68, 295252), (136, 147626), (223, 90032), (272, 73813), (331, 60656), (446, 45016), (662, 30328), (892, 22508), (1324, 15164), (1784, 11254), (2648, 7582), (3568, 5627), (3791, 5296)]