20109038368

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{157931}}^1$

素因数の和:158137

約数の個数: 48

約数和(自身を含む): 41550014016

約数和(自身を除く): 21440975648

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 173, 184, 346, 368, 692, 736, 1384, 2768, 3979, 5536, 7958, 15916, 31832, 63664, 127328, 157931, 315862, 631724, 1263448, 2526896, 3632413, 5053792, 7264826, 14529652, 27322063, 29059304, 54644126, 58118608, 109288252, 116237216, 218576504, 437153008, 628407449, 874306016, 1256814898, 2513629796, 5027259592, 10054519184, 20109038368]

約数ペア:

[(1, 20109038368), (2, 10054519184), (4, 5027259592), (8, 2513629796), (16, 1256814898), (23, 874306016), (32, 628407449), (46, 437153008), (92, 218576504), (173, 116237216), (184, 109288252), (346, 58118608), (368, 54644126), (692, 29059304), (736, 27322063), (1384, 14529652), (2768, 7264826), (3979, 5053792), (5536, 3632413), (7958, 2526896), (15916, 1263448), (31832, 631724), (63664, 315862), (127328, 157931)]