20128022478

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2593}}^1\times {\mathrm{3343}}^1$

素因数の和:5990

約数の個数: 64

約数和(自身を含む): 45800494080

約数和(自身を除く): 25672471602

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 2593, 3343, 5186, 6686, 7779, 10029, 15558, 20058, 23337, 30087, 46674, 60174, 70011, 90261, 111499, 140022, 143749, 180522, 222998, 287498, 334497, 431247, 668994, 862494, 1003491, 1293741, 2006982, 2587482, 3010473, 3881223, 6020946, 7762446, 8668399, 17336798, 26005197, 52010394, 78015591, 156031182, 234046773, 372741157, 468093546, 745482314, 1118223471, 2236446942, 3354670413, 6709340826, 10064011239, 20128022478]

約数ペア:

[(1, 20128022478), (2, 10064011239), (3, 6709340826), (6, 3354670413), (9, 2236446942), (18, 1118223471), (27, 745482314), (43, 468093546), (54, 372741157), (86, 234046773), (129, 156031182), (258, 78015591), (387, 52010394), (774, 26005197), (1161, 17336798), (2322, 8668399), (2593, 7762446), (3343, 6020946), (5186, 3881223), (6686, 3010473), (7779, 2587482), (10029, 2006982), (15558, 1293741), (20058, 1003491), (23337, 862494), (30087, 668994), (46674, 431247), (60174, 334497), (70011, 287498), (90261, 222998), (111499, 180522), (140022, 143749)]