20323328

素因数分解:

$2^{10}\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 44

約数和(自身を含む): 41267520

約数和(自身を除く): 20944192

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 223, 256, 356, 446, 512, 712, 892, 1024, 1424, 1784, 2848, 3568, 5696, 7136, 11392, 14272, 19847, 22784, 28544, 39694, 45568, 57088, 79388, 91136, 114176, 158776, 228352, 317552, 635104, 1270208, 2540416, 5080832, 10161664, 20323328]

約数ペア:

[(1, 20323328), (2, 10161664), (4, 5080832), (8, 2540416), (16, 1270208), (32, 635104), (64, 317552), (89, 228352), (128, 158776), (178, 114176), (223, 91136), (256, 79388), (356, 57088), (446, 45568), (512, 39694), (712, 28544), (892, 22784), (1024, 19847), (1424, 14272), (1784, 11392), (2848, 7136), (3568, 5696)]