20839460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9221}}^1$

素因数の和:9343

約数の個数: 24

約数和(自身を含む): 44154936

約数和(自身を除く): 23315476

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9221, 18442, 36884, 46105, 92210, 184420, 1041973, 2083946, 4167892, 5209865, 10419730, 20839460]

約数ペア:

[(1, 20839460), (2, 10419730), (4, 5209865), (5, 4167892), (10, 2083946), (20, 1041973), (113, 184420), (226, 92210), (452, 46105), (565, 36884), (1130, 18442), (2260, 9221)]