20747718

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 28785402

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 97, 102, 153, 194, 233, 291, 306, 459, 466, 582, 699, 873, 918, 1398, 1649, 1746, 2097, 2619, 3298, 3961, 4194, 4947, 5238, 6291, 7922, 9894, 11883, 12582, 14841, 22601, 23766, 29682, 35649, 44523, 45202, 67803, 71298, 89046, 106947, 135606, 203409, 213894, 384217, 406818, 610227, 768434, 1152651, 1220454, 2305302, 3457953, 6915906, 10373859, 20747718]

約数ペア:

[(1, 20747718), (2, 10373859), (3, 6915906), (6, 3457953), (9, 2305302), (17, 1220454), (18, 1152651), (27, 768434), (34, 610227), (51, 406818), (54, 384217), (97, 213894), (102, 203409), (153, 135606), (194, 106947), (233, 89046), (291, 71298), (306, 67803), (459, 45202), (466, 44523), (582, 35649), (699, 29682), (873, 23766), (918, 22601), (1398, 14841), (1649, 12582), (1746, 11883), (2097, 9894), (2619, 7922), (3298, 6291), (3961, 5238), (4194, 4947)]