20186023984

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{123701}}^1$

素因数の和:123794

約数の個数: 80

約数和(自身を含む): 47121555456

約数和(自身を除く): 26935531472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 47, 56, 62, 94, 112, 124, 188, 217, 248, 329, 376, 434, 496, 658, 752, 868, 1316, 1457, 1736, 2632, 2914, 3472, 5264, 5828, 10199, 11656, 20398, 23312, 40796, 81592, 123701, 163184, 247402, 494804, 865907, 989608, 1731814, 1979216, 3463628, 3834731, 5813947, 6927256, 7669462, 11627894, 13854512, 15338924, 23255788, 26843117, 30677848, 40697629, 46511576, 53686234, 61355696, 81395258, 93023152, 107372468, 162790516, 180232357, 214744936, 325581032, 360464714, 429489872, 651162064, 720929428, 1261626499, 1441858856, 2523252998, 2883717712, 5046505996, 10093011992, 20186023984]

約数ペア:

[(1, 20186023984), (2, 10093011992), (4, 5046505996), (7, 2883717712), (8, 2523252998), (14, 1441858856), (16, 1261626499), (28, 720929428), (31, 651162064), (47, 429489872), (56, 360464714), (62, 325581032), (94, 214744936), (112, 180232357), (124, 162790516), (188, 107372468), (217, 93023152), (248, 81395258), (329, 61355696), (376, 53686234), (434, 46511576), (496, 40697629), (658, 30677848), (752, 26843117), (868, 23255788), (1316, 15338924), (1457, 13854512), (1736, 11627894), (2632, 7669462), (2914, 6927256), (3472, 5813947), (5264, 3834731), (5828, 3463628), (10199, 1979216), (11656, 1731814), (20398, 989608), (23312, 865907), (40796, 494804), (81592, 247402), (123701, 163184)]