20993430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18913}}^1$

素因数の和:18960

約数の個数: 32

約数和(自身を含む): 51748704

約数和(自身を除く): 30755274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18913, 37826, 56739, 94565, 113478, 189130, 283695, 567390, 699781, 1399562, 2099343, 3498905, 4198686, 6997810, 10496715, 20993430]

約数ペア:

[(1, 20993430), (2, 10496715), (3, 6997810), (5, 4198686), (6, 3498905), (10, 2099343), (15, 1399562), (30, 699781), (37, 567390), (74, 283695), (111, 189130), (185, 113478), (222, 94565), (370, 56739), (555, 37826), (1110, 18913)]