20123157845

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{49339}}^1$

素因数の和:49665

約数の個数: 32

約数和(自身を含む): 28344053760

約数和(自身を除く): 8220895915

約数列:

[1, 5, 7, 35, 43, 215, 271, 301, 1355, 1505, 1897, 9485, 11653, 49339, 58265, 81571, 246695, 345373, 407855, 1726865, 2121577, 10607885, 13370869, 14851039, 66854345, 74255195, 93596083, 467980415, 574947367, 2874736835, 4024631569, 20123157845]

約数ペア:

[(1, 20123157845), (5, 4024631569), (7, 2874736835), (35, 574947367), (43, 467980415), (215, 93596083), (271, 74255195), (301, 66854345), (1355, 14851039), (1505, 13370869), (1897, 10607885), (9485, 2121577), (11653, 1726865), (49339, 407855), (58265, 345373), (81571, 246695)]