20517310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{487}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 40476672

約数和(自身を除く): 19959362

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 487, 766, 974, 1915, 2435, 3830, 4213, 4870, 5357, 8426, 10714, 21065, 26785, 42130, 53570, 186521, 373042, 932605, 1865210, 2051731, 4103462, 10258655, 20517310]

約数ペア:

[(1, 20517310), (2, 10258655), (5, 4103462), (10, 2051731), (11, 1865210), (22, 932605), (55, 373042), (110, 186521), (383, 53570), (487, 42130), (766, 26785), (974, 21065), (1915, 10714), (2435, 8426), (3830, 5357), (4213, 4870)]