20267264

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4657}}^1$

素因数の和:4690

約数の個数: 36

約数和(自身を含む): 42844284

約数和(自身を除く): 22577020

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4657, 9314, 18628, 37256, 74512, 79169, 149024, 158338, 298048, 316676, 596096, 633352, 1192192, 1266704, 2533408, 5066816, 10133632, 20267264]

約数ペア:

[(1, 20267264), (2, 10133632), (4, 5066816), (8, 2533408), (16, 1266704), (17, 1192192), (32, 633352), (34, 596096), (64, 316676), (68, 298048), (128, 158338), (136, 149024), (256, 79169), (272, 74512), (544, 37256), (1088, 18628), (2176, 9314), (4352, 4657)]