20493552

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 58210560

約数和(自身を除く): 37717008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 977, 1104, 1311, 1748, 1954, 2622, 2931, 3496, 3908, 5244, 5862, 6992, 7816, 10488, 11724, 15632, 18563, 20976, 22471, 23448, 37126, 44942, 46896, 55689, 67413, 74252, 89884, 111378, 134826, 148504, 179768, 222756, 269652, 297008, 359536, 426949, 445512, 539304, 853898, 891024, 1078608, 1280847, 1707796, 2561694, 3415592, 5123388, 6831184, 10246776, 20493552]

約数ペア:

[(1, 20493552), (2, 10246776), (3, 6831184), (4, 5123388), (6, 3415592), (8, 2561694), (12, 1707796), (16, 1280847), (19, 1078608), (23, 891024), (24, 853898), (38, 539304), (46, 445512), (48, 426949), (57, 359536), (69, 297008), (76, 269652), (92, 222756), (114, 179768), (138, 148504), (152, 134826), (184, 111378), (228, 89884), (276, 74252), (304, 67413), (368, 55689), (437, 46896), (456, 44942), (552, 37126), (874, 23448), (912, 22471), (977, 20976), (1104, 18563), (1311, 15632), (1748, 11724), (1954, 10488), (2622, 7816), (2931, 6992), (3496, 5862), (3908, 5244)]