20217504906

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{317}}^1\times {\mathrm{5393}}^1$

素因数の和:5797

約数の個数: 80

約数和(自身を含む): 46076173704

約数和(自身を除く): 25858668798

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 317, 438, 634, 657, 951, 1314, 1902, 1971, 2853, 3942, 5393, 5706, 5913, 8559, 10786, 11826, 16179, 17118, 23141, 25677, 32358, 46282, 48537, 51354, 69423, 97074, 138846, 145611, 208269, 291222, 393689, 416538, 436833, 624807, 787378, 873666, 1181067, 1249614, 1709581, 1874421, 2362134, 3419162, 3543201, 3748842, 5128743, 7086402, 10257486, 10629603, 15386229, 21259206, 30772458, 31888809, 46158687, 63777618, 92317374, 124799413, 138476061, 249598826, 276952122, 374398239, 748796478, 1123194717, 2246389434, 3369584151, 6739168302, 10108752453, 20217504906]

約数ペア:

[(1, 20217504906), (2, 10108752453), (3, 6739168302), (6, 3369584151), (9, 2246389434), (18, 1123194717), (27, 748796478), (54, 374398239), (73, 276952122), (81, 249598826), (146, 138476061), (162, 124799413), (219, 92317374), (317, 63777618), (438, 46158687), (634, 31888809), (657, 30772458), (951, 21259206), (1314, 15386229), (1902, 10629603), (1971, 10257486), (2853, 7086402), (3942, 5128743), (5393, 3748842), (5706, 3543201), (5913, 3419162), (8559, 2362134), (10786, 1874421), (11826, 1709581), (16179, 1249614), (17118, 1181067), (23141, 873666), (25677, 787378), (32358, 624807), (46282, 436833), (48537, 416538), (51354, 393689), (69423, 291222), (97074, 208269), (138846, 145611)]