20560736

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4831}}^1$

素因数の和:4867

約数の個数: 48

約数和(自身を含む): 48706560

約数和(自身を除く): 28145824

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4831, 9662, 19324, 33817, 38648, 67634, 77296, 91789, 135268, 154592, 183578, 270536, 367156, 541072, 642523, 734312, 1082144, 1285046, 1468624, 2570092, 2937248, 5140184, 10280368, 20560736]

約数ペア:

[(1, 20560736), (2, 10280368), (4, 5140184), (7, 2937248), (8, 2570092), (14, 1468624), (16, 1285046), (19, 1082144), (28, 734312), (32, 642523), (38, 541072), (56, 367156), (76, 270536), (112, 183578), (133, 154592), (152, 135268), (224, 91789), (266, 77296), (304, 67634), (532, 38648), (608, 33817), (1064, 19324), (2128, 9662), (4256, 4831)]