20394466

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12700190

約数列:

[1, 2, 31, 41, 62, 71, 82, 113, 142, 226, 1271, 2201, 2542, 2911, 3503, 4402, 4633, 5822, 7006, 8023, 9266, 16046, 90241, 143623, 180482, 248713, 287246, 328943, 497426, 657886, 10197233, 20394466]

約数ペア:

[(1, 20394466), (2, 10197233), (31, 657886), (41, 497426), (62, 328943), (71, 287246), (82, 248713), (113, 180482), (142, 143623), (226, 90241), (1271, 16046), (2201, 9266), (2542, 8023), (2911, 7006), (3503, 5822), (4402, 4633)]