20199863165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{49957}}^1$

素因数の和:50117

約数の個数: 32

約数和(自身を含む): 26416191744

約数和(自身を除く): 6216328579

約数列:

[1, 5, 17, 67, 71, 85, 335, 355, 1139, 1207, 4757, 5695, 6035, 23785, 49957, 80869, 249785, 404345, 849269, 3347119, 3546947, 4246345, 16735595, 17734735, 56901023, 60298099, 237645449, 284505115, 301490495, 1188227245, 4039972633, 20199863165]

約数ペア:

[(1, 20199863165), (5, 4039972633), (17, 1188227245), (67, 301490495), (71, 284505115), (85, 237645449), (335, 60298099), (355, 56901023), (1139, 17734735), (1207, 16735595), (4757, 4246345), (5695, 3546947), (6035, 3347119), (23785, 849269), (49957, 404345), (80869, 249785)]