20189446

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 12884474

約数列:

[1, 2, 23, 43, 46, 59, 86, 118, 173, 346, 989, 1357, 1978, 2537, 2714, 3979, 5074, 7439, 7958, 10207, 14878, 20414, 58351, 116702, 171097, 234761, 342194, 438901, 469522, 877802, 10094723, 20189446]

約数ペア:

[(1, 20189446), (2, 10094723), (23, 877802), (43, 469522), (46, 438901), (59, 342194), (86, 234761), (118, 171097), (173, 116702), (346, 58351), (989, 20414), (1357, 14878), (1978, 10207), (2537, 7958), (2714, 7439), (3979, 5074)]