20468992

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2214

約数の個数: 36

約数和(自身を含む): 41981716

約数和(自身を除く): 21512724

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2161, 2368, 4322, 4736, 8644, 9472, 17288, 34576, 69152, 79957, 138304, 159914, 276608, 319828, 553216, 639656, 1279312, 2558624, 5117248, 10234496, 20468992]

約数ペア:

[(1, 20468992), (2, 10234496), (4, 5117248), (8, 2558624), (16, 1279312), (32, 639656), (37, 553216), (64, 319828), (74, 276608), (128, 159914), (148, 138304), (256, 79957), (296, 69152), (592, 34576), (1184, 17288), (2161, 9472), (2368, 8644), (4322, 4736)]