20869863

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 34338816

約数和(自身を除く): 13468953

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1103, 1113, 2703, 3309, 6307, 7721, 18751, 18921, 23163, 56253, 58459, 131257, 175377, 393771, 409213, 993803, 1227639, 2981409, 6956621, 20869863]

約数ペア:

[(1, 20869863), (3, 6956621), (7, 2981409), (17, 1227639), (21, 993803), (51, 409213), (53, 393771), (119, 175377), (159, 131257), (357, 58459), (371, 56253), (901, 23163), (1103, 18921), (1113, 18751), (2703, 7721), (3309, 6307)]