20703228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18959}}^1$

素因数の和:18986

約数の個数: 48

約数和(自身を含む): 59458560

約数和(自身を除く): 38755332

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18959, 37918, 56877, 75836, 113754, 132713, 227508, 246467, 265426, 398139, 492934, 530852, 739401, 796278, 985868, 1478802, 1592556, 1725269, 2957604, 3450538, 5175807, 6901076, 10351614, 20703228]

約数ペア:

[(1, 20703228), (2, 10351614), (3, 6901076), (4, 5175807), (6, 3450538), (7, 2957604), (12, 1725269), (13, 1592556), (14, 1478802), (21, 985868), (26, 796278), (28, 739401), (39, 530852), (42, 492934), (52, 398139), (78, 265426), (84, 246467), (91, 227508), (156, 132713), (182, 113754), (273, 75836), (364, 56877), (546, 37918), (1092, 18959)]