20199804004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{20873}}^1$

素因数の和:21124

約数の個数: 48

約数和(自身を含む): 37677403008

約数和(自身を除く): 17477599004

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 157, 268, 314, 628, 1541, 3082, 3611, 6164, 7222, 10519, 14444, 20873, 21038, 41746, 42076, 83492, 241937, 480079, 483874, 960158, 967748, 1398491, 1920316, 2796982, 3277061, 5593964, 6554122, 13108244, 32165293, 64330586, 75372403, 128661172, 150744806, 219563087, 301489612, 439126174, 878252348, 5049951001, 10099902002, 20199804004]

約数ペア:

[(1, 20199804004), (2, 10099902002), (4, 5049951001), (23, 878252348), (46, 439126174), (67, 301489612), (92, 219563087), (134, 150744806), (157, 128661172), (268, 75372403), (314, 64330586), (628, 32165293), (1541, 13108244), (3082, 6554122), (3611, 5593964), (6164, 3277061), (7222, 2796982), (10519, 1920316), (14444, 1398491), (20873, 967748), (21038, 960158), (41746, 483874), (42076, 480079), (83492, 241937)]