20553912

素因数分解:

$2^3\times 3^5\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 58858800

約数和(自身を除く): 38304888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 97, 108, 109, 162, 194, 216, 218, 243, 291, 324, 327, 388, 436, 486, 582, 648, 654, 776, 872, 873, 972, 981, 1164, 1308, 1746, 1944, 1962, 2328, 2616, 2619, 2943, 3492, 3924, 5238, 5886, 6984, 7848, 7857, 8829, 10476, 10573, 11772, 15714, 17658, 20952, 21146, 23544, 23571, 26487, 31428, 31719, 35316, 42292, 47142, 52974, 62856, 63438, 70632, 84584, 94284, 95157, 105948, 126876, 188568, 190314, 211896, 253752, 285471, 380628, 570942, 761256, 856413, 1141884, 1712826, 2283768, 2569239, 3425652, 5138478, 6851304, 10276956, 20553912]

約数ペア:

[(1, 20553912), (2, 10276956), (3, 6851304), (4, 5138478), (6, 3425652), (8, 2569239), (9, 2283768), (12, 1712826), (18, 1141884), (24, 856413), (27, 761256), (36, 570942), (54, 380628), (72, 285471), (81, 253752), (97, 211896), (108, 190314), (109, 188568), (162, 126876), (194, 105948), (216, 95157), (218, 94284), (243, 84584), (291, 70632), (324, 63438), (327, 62856), (388, 52974), (436, 47142), (486, 42292), (582, 35316), (648, 31719), (654, 31428), (776, 26487), (872, 23571), (873, 23544), (972, 21146), (981, 20952), (1164, 17658), (1308, 15714), (1746, 11772), (1944, 10573), (1962, 10476), (2328, 8829), (2616, 7857), (2619, 7848), (2943, 6984), (3492, 5886), (3924, 5238)]