20604865325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{12269}}^1$

素因数の和:12518

約数の個数: 48

約数和(自身を含む): 28920291840

約数和(自身を除く): 8315426515

約数列:

[1, 5, 11, 25, 31, 55, 155, 197, 275, 341, 775, 985, 1705, 2167, 4925, 6107, 8525, 10835, 12269, 30535, 54175, 61345, 67177, 134959, 152675, 306725, 335885, 380339, 674795, 1679425, 1901695, 2416993, 3373975, 4183729, 9508475, 12084965, 20918645, 26586923, 60424825, 74926783, 104593225, 132934615, 374633915, 664673075, 824194613, 1873169575, 4120973065, 20604865325]

約数ペア:

[(1, 20604865325), (5, 4120973065), (11, 1873169575), (25, 824194613), (31, 664673075), (55, 374633915), (155, 132934615), (197, 104593225), (275, 74926783), (341, 60424825), (775, 26586923), (985, 20918645), (1705, 12084965), (2167, 9508475), (4925, 4183729), (6107, 3373975), (8525, 2416993), (10835, 1901695), (12269, 1679425), (30535, 674795), (54175, 380339), (61345, 335885), (67177, 306725), (134959, 152675)]