20004108

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 48335616

約数和(自身を除く): 28331508

約数列:

[1, 2, 3, 4, 6, 12, 53, 71, 106, 142, 159, 212, 213, 284, 318, 426, 443, 636, 852, 886, 1329, 1772, 2658, 3763, 5316, 7526, 11289, 15052, 22578, 23479, 31453, 45156, 46958, 62906, 70437, 93916, 94359, 125812, 140874, 188718, 281748, 377436, 1667009, 3334018, 5001027, 6668036, 10002054, 20004108]

約数ペア:

[(1, 20004108), (2, 10002054), (3, 6668036), (4, 5001027), (6, 3334018), (12, 1667009), (53, 377436), (71, 281748), (106, 188718), (142, 140874), (159, 125812), (212, 94359), (213, 93916), (284, 70437), (318, 62906), (426, 46958), (443, 45156), (636, 31453), (852, 23479), (886, 22578), (1329, 15052), (1772, 11289), (2658, 7526), (3763, 5316)]