22178420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{100811}}^1$

素因数の和:100831

約数の個数: 24

約数和(自身を含む): 50809248

約数和(自身を除く): 28630828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 100811, 201622, 403244, 504055, 1008110, 1108921, 2016220, 2217842, 4435684, 5544605, 11089210, 22178420]

約数ペア:

[(1, 22178420), (2, 11089210), (4, 5544605), (5, 4435684), (10, 2217842), (11, 2016220), (20, 1108921), (22, 1008110), (44, 504055), (55, 403244), (110, 201622), (220, 100811)]