20931372

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:873

約数の個数: 120

約数和(自身を含む): 68302080

約数和(自身を除く): 47370708

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 252, 297, 308, 324, 378, 396, 462, 567, 594, 693, 756, 839, 891, 924, 1134, 1188, 1386, 1678, 1782, 2079, 2268, 2517, 2772, 3356, 3564, 4158, 5034, 5873, 6237, 7551, 8316, 9229, 10068, 11746, 12474, 15102, 17619, 18458, 22653, 23492, 24948, 27687, 30204, 35238, 36916, 45306, 52857, 55374, 64603, 67959, 70476, 83061, 90612, 105714, 110748, 129206, 135918, 158571, 166122, 193809, 211428, 249183, 258412, 271836, 317142, 332244, 387618, 475713, 498366, 581427, 634284, 747549, 775236, 951426, 996732, 1162854, 1495098, 1744281, 1902852, 2325708, 2990196, 3488562, 5232843, 6977124, 10465686, 20931372]

約数ペア:

[(1, 20931372), (2, 10465686), (3, 6977124), (4, 5232843), (6, 3488562), (7, 2990196), (9, 2325708), (11, 1902852), (12, 1744281), (14, 1495098), (18, 1162854), (21, 996732), (22, 951426), (27, 775236), (28, 747549), (33, 634284), (36, 581427), (42, 498366), (44, 475713), (54, 387618), (63, 332244), (66, 317142), (77, 271836), (81, 258412), (84, 249183), (99, 211428), (108, 193809), (126, 166122), (132, 158571), (154, 135918), (162, 129206), (189, 110748), (198, 105714), (231, 90612), (252, 83061), (297, 70476), (308, 67959), (324, 64603), (378, 55374), (396, 52857), (462, 45306), (567, 36916), (594, 35238), (693, 30204), (756, 27687), (839, 24948), (891, 23492), (924, 22653), (1134, 18458), (1188, 17619), (1386, 15102), (1678, 12474), (1782, 11746), (2079, 10068), (2268, 9229), (2517, 8316), (2772, 7551), (3356, 6237), (3564, 5873), (4158, 5034)]