20556996856

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{83939}}^1$

素因数の和:84001

約数の個数: 64

約数和(自身を含む): 44239737600

約数和(自身を除く): 23682740744

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 121, 184, 242, 253, 484, 506, 968, 1012, 1331, 2024, 2662, 2783, 5324, 5566, 10648, 11132, 22264, 30613, 61226, 83939, 122452, 167878, 244904, 335756, 671512, 923329, 1846658, 1930597, 3693316, 3861194, 7386632, 7722388, 10156619, 15444776, 20313238, 21236567, 40626476, 42473134, 81252952, 84946268, 111722809, 169892536, 223445618, 233602237, 446891236, 467204474, 893782472, 934408948, 1868817896, 2569624607, 5139249214, 10278498428, 20556996856]

約数ペア:

[(1, 20556996856), (2, 10278498428), (4, 5139249214), (8, 2569624607), (11, 1868817896), (22, 934408948), (23, 893782472), (44, 467204474), (46, 446891236), (88, 233602237), (92, 223445618), (121, 169892536), (184, 111722809), (242, 84946268), (253, 81252952), (484, 42473134), (506, 40626476), (968, 21236567), (1012, 20313238), (1331, 15444776), (2024, 10156619), (2662, 7722388), (2783, 7386632), (5324, 3861194), (5566, 3693316), (10648, 1930597), (11132, 1846658), (22264, 923329), (30613, 671512), (61226, 335756), (83939, 244904), (122452, 167878)]