20874546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15061}}^1$

素因数の和:15087

約数の個数: 48

約数和(自身を含む): 56392128

約数和(自身を除く): 35517582

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15061, 30122, 45183, 90366, 105427, 135549, 165671, 210854, 271098, 316281, 331342, 497013, 632562, 948843, 994026, 1159697, 1491039, 1897686, 2319394, 2982078, 3479091, 6958182, 10437273, 20874546]

約数ペア:

[(1, 20874546), (2, 10437273), (3, 6958182), (6, 3479091), (7, 2982078), (9, 2319394), (11, 1897686), (14, 1491039), (18, 1159697), (21, 994026), (22, 948843), (33, 632562), (42, 497013), (63, 331342), (66, 316281), (77, 271098), (99, 210854), (126, 165671), (154, 135549), (198, 105427), (231, 90366), (462, 45183), (693, 30122), (1386, 15061)]