20748532

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 44746240

約数和(自身を除く): 23997708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 907, 1204, 1634, 1814, 3268, 3628, 5719, 6349, 11438, 12698, 17233, 22876, 25396, 34466, 39001, 68932, 78002, 120631, 156004, 241262, 273007, 482524, 546014, 741019, 1092028, 1482038, 2964076, 5187133, 10374266, 20748532]

約数ペア:

[(1, 20748532), (2, 10374266), (4, 5187133), (7, 2964076), (14, 1482038), (19, 1092028), (28, 741019), (38, 546014), (43, 482524), (76, 273007), (86, 241262), (133, 156004), (172, 120631), (266, 78002), (301, 68932), (532, 39001), (602, 34466), (817, 25396), (907, 22876), (1204, 17233), (1634, 12698), (1814, 11438), (3268, 6349), (3628, 5719)]