20444140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6121}}^1$

素因数の和:6297

約数の個数: 24

約数和(自身を含む): 43196832

約数和(自身を除く): 22752692

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6121, 12242, 24484, 30605, 61210, 122420, 1022207, 2044414, 4088828, 5111035, 10222070, 20444140]

約数ペア:

[(1, 20444140), (2, 10222070), (4, 5111035), (5, 4088828), (10, 2044414), (20, 1022207), (167, 122420), (334, 61210), (668, 30605), (835, 24484), (1670, 12242), (3340, 6121)]