20199427281

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1453}}^1\times {\mathrm{140423}}^1$

素因数の和:141893

約数の個数: 24

約数和(自身を含む): 31851533376

約数和(自身を除く): 11652106095

約数列:

[1, 3, 9, 11, 33, 99, 1453, 4359, 13077, 15983, 47949, 140423, 143847, 421269, 1263807, 1544653, 4633959, 13901877, 204034619, 612103857, 1836311571, 2244380809, 6733142427, 20199427281]

約数ペア:

[(1, 20199427281), (3, 6733142427), (9, 2244380809), (11, 1836311571), (33, 612103857), (99, 204034619), (1453, 13901877), (4359, 4633959), (13077, 1544653), (15983, 1263807), (47949, 421269), (140423, 143847)]