20731066675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{69737}}^1$

素因数の和:69828

約数の個数: 48

約数和(自身を含む): 29885801472

約数和(自身を除く): 9154734797

約数列:

[1, 5, 11, 23, 25, 47, 55, 115, 235, 253, 275, 517, 575, 1081, 1175, 1265, 2585, 5405, 6325, 11891, 12925, 27025, 59455, 69737, 297275, 348685, 767107, 1603951, 1743425, 3277639, 3835535, 8019755, 16388195, 17643461, 19177675, 36054029, 40098775, 75385697, 81940975, 88217305, 180270145, 376928485, 441086525, 829242667, 901350725, 1884642425, 4146213335, 20731066675]

約数ペア:

[(1, 20731066675), (5, 4146213335), (11, 1884642425), (23, 901350725), (25, 829242667), (47, 441086525), (55, 376928485), (115, 180270145), (235, 88217305), (253, 81940975), (275, 75385697), (517, 40098775), (575, 36054029), (1081, 19177675), (1175, 17643461), (1265, 16388195), (2585, 8019755), (5405, 3835535), (6325, 3277639), (11891, 1743425), (12925, 1603951), (27025, 767107), (59455, 348685), (69737, 297275)]