20216964416

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{5471}}^1$

素因数の和:5704

約数の個数: 112

約数和(自身を含む): 45532730880

約数和(自身を除く): 25315766464

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 176, 181, 232, 319, 352, 362, 464, 638, 704, 724, 928, 1276, 1448, 1856, 1991, 2552, 2896, 3982, 5104, 5249, 5471, 5792, 7964, 10208, 10498, 10942, 11584, 15928, 20416, 20996, 21884, 31856, 41992, 43768, 57739, 60181, 63712, 83984, 87536, 115478, 120362, 127424, 158659, 167968, 175072, 230956, 240724, 317318, 335936, 350144, 461912, 481448, 634636, 923824, 962896, 990251, 1269272, 1745249, 1847648, 1925792, 1980502, 2538544, 3490498, 3695296, 3851584, 3961004, 5077088, 6980996, 7922008, 10154176, 10892761, 13961992, 15844016, 21785522, 27923984, 28717279, 31688032, 43571044, 55847968, 57434558, 63376064, 87142088, 111695936, 114869116, 174284176, 229738232, 315890069, 348568352, 459476464, 631780138, 697136704, 918952928, 1263560276, 1837905856, 2527120552, 5054241104, 10108482208, 20216964416]

約数ペア:

[(1, 20216964416), (2, 10108482208), (4, 5054241104), (8, 2527120552), (11, 1837905856), (16, 1263560276), (22, 918952928), (29, 697136704), (32, 631780138), (44, 459476464), (58, 348568352), (64, 315890069), (88, 229738232), (116, 174284176), (176, 114869116), (181, 111695936), (232, 87142088), (319, 63376064), (352, 57434558), (362, 55847968), (464, 43571044), (638, 31688032), (704, 28717279), (724, 27923984), (928, 21785522), (1276, 15844016), (1448, 13961992), (1856, 10892761), (1991, 10154176), (2552, 7922008), (2896, 6980996), (3982, 5077088), (5104, 3961004), (5249, 3851584), (5471, 3695296), (5792, 3490498), (7964, 2538544), (10208, 1980502), (10498, 1925792), (10942, 1847648), (11584, 1745249), (15928, 1269272), (20416, 990251), (20996, 962896), (21884, 923824), (31856, 634636), (41992, 481448), (43768, 461912), (57739, 350144), (60181, 335936), (63712, 317318), (83984, 240724), (87536, 230956), (115478, 175072), (120362, 167968), (127424, 158659)]