20078047641

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1\times {\mathrm{1559}}^1$

素因数の和:2229

約数の個数: 32

約数和(自身を含む): 27543859200

約数和(自身を除く): 7465811559

約数列:

[1, 3, 47, 141, 241, 379, 723, 1137, 1559, 4677, 11327, 17813, 33981, 53439, 73273, 91339, 219819, 274017, 375719, 590861, 1127157, 1772583, 4292933, 12878799, 17658793, 27770467, 52976379, 83311401, 142397501, 427192503, 6692682547, 20078047641]

約数ペア:

[(1, 20078047641), (3, 6692682547), (47, 427192503), (141, 142397501), (241, 83311401), (379, 52976379), (723, 27770467), (1137, 17658793), (1559, 12878799), (4677, 4292933), (11327, 1772583), (17813, 1127157), (33981, 590861), (53439, 375719), (73273, 274017), (91339, 219819)]