20180270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{479}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 19632850

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 479, 766, 958, 1915, 2395, 3830, 4213, 4790, 5269, 8426, 10538, 21065, 26345, 42130, 52690, 183457, 366914, 917285, 1834570, 2018027, 4036054, 10090135, 20180270]

約数ペア:

[(1, 20180270), (2, 10090135), (5, 4036054), (10, 2018027), (11, 1834570), (22, 917285), (55, 366914), (110, 183457), (383, 52690), (479, 42130), (766, 26345), (958, 21065), (1915, 10538), (2395, 8426), (3830, 5269), (4213, 4790)]