20309079472

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{137}}^1\times {\mathrm{6961}}^1$

素因数の和:7139

約数の個数: 80

約数和(自身を含む): 43602950304

約数和(自身を除く): 23293870832

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 137, 176, 242, 274, 484, 548, 968, 1096, 1331, 1507, 1936, 2192, 2662, 3014, 5324, 6028, 6961, 10648, 12056, 13922, 16577, 21296, 24112, 27844, 33154, 55688, 66308, 76571, 111376, 132616, 153142, 182347, 265232, 306284, 364694, 612568, 729388, 842281, 953657, 1225136, 1458776, 1684562, 1907314, 2917552, 3369124, 3814628, 6738248, 7629256, 9265091, 10490227, 13476496, 15258512, 18530182, 20980454, 37060364, 41960908, 74120728, 83921816, 115392497, 148241456, 167843632, 230784994, 461569988, 923139976, 1269317467, 1846279952, 2538634934, 5077269868, 10154539736, 20309079472]

約数ペア:

[(1, 20309079472), (2, 10154539736), (4, 5077269868), (8, 2538634934), (11, 1846279952), (16, 1269317467), (22, 923139976), (44, 461569988), (88, 230784994), (121, 167843632), (137, 148241456), (176, 115392497), (242, 83921816), (274, 74120728), (484, 41960908), (548, 37060364), (968, 20980454), (1096, 18530182), (1331, 15258512), (1507, 13476496), (1936, 10490227), (2192, 9265091), (2662, 7629256), (3014, 6738248), (5324, 3814628), (6028, 3369124), (6961, 2917552), (10648, 1907314), (12056, 1684562), (13922, 1458776), (16577, 1225136), (21296, 953657), (24112, 842281), (27844, 729388), (33154, 612568), (55688, 364694), (66308, 306284), (76571, 265232), (111376, 182347), (132616, 153142)]