20178382970

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1\times {\mathrm{8923}}^1$

素因数の和:11270

約数の個数: 32

約数和(自身を含む): 36701199360

約数和(自身を除く): 16522816390

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 2239, 4478, 8923, 11195, 17846, 22390, 44615, 89230, 226139, 452278, 901223, 1130695, 1802446, 2261390, 4506115, 9012230, 19978597, 39957194, 99892985, 199785970, 2017838297, 4035676594, 10089191485, 20178382970]

約数ペア:

[(1, 20178382970), (2, 10089191485), (5, 4035676594), (10, 2017838297), (101, 199785970), (202, 99892985), (505, 39957194), (1010, 19978597), (2239, 9012230), (4478, 4506115), (8923, 2261390), (11195, 1802446), (17846, 1130695), (22390, 901223), (44615, 452278), (89230, 226139)]