20220879

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 32243200

約数和(自身を除く): 12022321

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 457, 903, 1029, 1371, 2107, 3199, 6321, 9597, 14749, 19651, 22393, 44247, 58953, 67179, 137557, 156751, 412671, 470253, 962899, 2888697, 6740293, 20220879]

約数ペア:

[(1, 20220879), (3, 6740293), (7, 2888697), (21, 962899), (43, 470253), (49, 412671), (129, 156751), (147, 137557), (301, 67179), (343, 58953), (457, 44247), (903, 22393), (1029, 19651), (1371, 14749), (2107, 9597), (3199, 6321)]