20513312

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33739}}^1$

素因数の和:33768

約数の個数: 24

約数和(自身を含む): 42512400

約数和(自身を除く): 21999088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33739, 67478, 134956, 269912, 539824, 641041, 1079648, 1282082, 2564164, 5128328, 10256656, 20513312]

約数ペア:

[(1, 20513312), (2, 10256656), (4, 5128328), (8, 2564164), (16, 1282082), (19, 1079648), (32, 641041), (38, 539824), (76, 269912), (152, 134956), (304, 67478), (608, 33739)]