20105152

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{1087}}^1$

素因数の和:1133

約数の個数: 42

約数和(自身を含む): 42420032

約数和(自身を除く): 22314880

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1087, 1088, 1156, 2174, 2312, 4348, 4624, 8696, 9248, 17392, 18479, 18496, 34784, 36958, 69568, 73916, 147832, 295664, 314143, 591328, 628286, 1182656, 1256572, 2513144, 5026288, 10052576, 20105152]

約数ペア:

[(1, 20105152), (2, 10052576), (4, 5026288), (8, 2513144), (16, 1256572), (17, 1182656), (32, 628286), (34, 591328), (64, 314143), (68, 295664), (136, 147832), (272, 73916), (289, 69568), (544, 36958), (578, 34784), (1087, 18496), (1088, 18479), (1156, 17392), (2174, 9248), (2312, 8696), (4348, 4624)]