20523195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5923}}^1$

素因数の和:5952

約数の個数: 48

約数和(自身を含む): 44358912

約数和(自身を除く): 23835717

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5923, 17769, 29615, 41461, 53307, 65153, 88845, 124383, 195459, 207305, 266535, 325765, 373149, 456071, 586377, 621915, 977295, 1368213, 1865745, 2280355, 2931885, 4104639, 6841065, 20523195]

約数ペア:

[(1, 20523195), (3, 6841065), (5, 4104639), (7, 2931885), (9, 2280355), (11, 1865745), (15, 1368213), (21, 977295), (33, 621915), (35, 586377), (45, 456071), (55, 373149), (63, 325765), (77, 266535), (99, 207305), (105, 195459), (165, 124383), (231, 88845), (315, 65153), (385, 53307), (495, 41461), (693, 29615), (1155, 17769), (3465, 5923)]