20629490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42101}}^1$

素因数の和:42122

約数の個数: 24

約数和(自身を含む): 43196652

約数和(自身を除く): 22567162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42101, 84202, 210505, 294707, 421010, 589414, 1473535, 2062949, 2947070, 4125898, 10314745, 20629490]

約数ペア:

[(1, 20629490), (2, 10314745), (5, 4125898), (7, 2947070), (10, 2062949), (14, 1473535), (35, 589414), (49, 421010), (70, 294707), (98, 210505), (245, 84202), (490, 42101)]