20525936

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 44311152

約数和(自身を除く): 23785216

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 193, 272, 289, 368, 386, 391, 578, 772, 782, 1156, 1544, 1564, 2312, 3088, 3128, 3281, 4439, 4624, 6256, 6562, 6647, 8878, 13124, 13294, 17756, 26248, 26588, 35512, 52496, 53176, 55777, 71024, 75463, 106352, 111554, 150926, 223108, 301852, 446216, 603704, 892432, 1207408, 1282871, 2565742, 5131484, 10262968, 20525936]

約数ペア:

[(1, 20525936), (2, 10262968), (4, 5131484), (8, 2565742), (16, 1282871), (17, 1207408), (23, 892432), (34, 603704), (46, 446216), (68, 301852), (92, 223108), (136, 150926), (184, 111554), (193, 106352), (272, 75463), (289, 71024), (368, 55777), (386, 53176), (391, 52496), (578, 35512), (772, 26588), (782, 26248), (1156, 17756), (1544, 13294), (1564, 13124), (2312, 8878), (3088, 6647), (3128, 6562), (3281, 6256), (4439, 4624)]