20925828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7549}}^1$

素因数の和:7577

約数の個数: 72

約数和(自身を含む): 65956800

約数和(自身を除く): 45030972

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7549, 15098, 22647, 30196, 45294, 52843, 67941, 83039, 90588, 105686, 135882, 158529, 166078, 211372, 249117, 271764, 317058, 332156, 475587, 498234, 581273, 634116, 747351, 951174, 996468, 1162546, 1494702, 1743819, 1902348, 2325092, 2989404, 3487638, 5231457, 6975276, 10462914, 20925828]

約数ペア:

[(1, 20925828), (2, 10462914), (3, 6975276), (4, 5231457), (6, 3487638), (7, 2989404), (9, 2325092), (11, 1902348), (12, 1743819), (14, 1494702), (18, 1162546), (21, 996468), (22, 951174), (28, 747351), (33, 634116), (36, 581273), (42, 498234), (44, 475587), (63, 332156), (66, 317058), (77, 271764), (84, 249117), (99, 211372), (126, 166078), (132, 158529), (154, 135882), (198, 105686), (231, 90588), (252, 83039), (308, 67941), (396, 52843), (462, 45294), (693, 30196), (924, 22647), (1386, 15098), (2772, 7549)]