20341236

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 49280000

約数和(自身を除く): 28938764

約数列:

[1, 2, 3, 4, 6, 12, 43, 79, 86, 129, 158, 172, 237, 258, 316, 474, 499, 516, 948, 998, 1497, 1996, 2994, 3397, 5988, 6794, 10191, 13588, 20382, 21457, 39421, 40764, 42914, 64371, 78842, 85828, 118263, 128742, 157684, 236526, 257484, 473052, 1695103, 3390206, 5085309, 6780412, 10170618, 20341236]

約数ペア:

[(1, 20341236), (2, 10170618), (3, 6780412), (4, 5085309), (6, 3390206), (12, 1695103), (43, 473052), (79, 257484), (86, 236526), (129, 157684), (158, 128742), (172, 118263), (237, 85828), (258, 78842), (316, 64371), (474, 42914), (499, 40764), (516, 39421), (948, 21457), (998, 20382), (1497, 13588), (1996, 10191), (2994, 6794), (3397, 5988)]