20187076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 44907520

約数和(自身を除く): 24720444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1789, 2821, 3578, 5642, 7156, 11284, 12523, 23257, 25046, 46514, 50092, 55459, 93028, 110918, 162799, 221836, 325598, 388213, 651196, 720967, 776426, 1441934, 1552852, 2883868, 5046769, 10093538, 20187076]

約数ペア:

[(1, 20187076), (2, 10093538), (4, 5046769), (7, 2883868), (13, 1552852), (14, 1441934), (26, 776426), (28, 720967), (31, 651196), (52, 388213), (62, 325598), (91, 221836), (124, 162799), (182, 110918), (217, 93028), (364, 55459), (403, 50092), (434, 46514), (806, 25046), (868, 23257), (1612, 12523), (1789, 11284), (2821, 7156), (3578, 5642)]