201912260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{917783}}^1$

素因数の和:917803

約数の個数: 24

約数和(自身を含む): 462563136

約数和(自身を除く): 260650876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 917783, 1835566, 3671132, 4588915, 9177830, 10095613, 18355660, 20191226, 40382452, 50478065, 100956130, 201912260]

約数ペア:

[(1, 201912260), (2, 100956130), (4, 50478065), (5, 40382452), (10, 20191226), (11, 18355660), (20, 10095613), (22, 9177830), (44, 4588915), (55, 3671132), (110, 1835566), (220, 917783)]