20077866

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24737814

約数列:

[1, 2, 3, 6, 9, 18, 83, 89, 151, 166, 178, 249, 267, 302, 453, 498, 534, 747, 801, 906, 1359, 1494, 1602, 2718, 7387, 12533, 13439, 14774, 22161, 25066, 26878, 37599, 40317, 44322, 66483, 75198, 80634, 112797, 120951, 132966, 225594, 241902, 1115437, 2230874, 3346311, 6692622, 10038933, 20077866]

約数ペア:

[(1, 20077866), (2, 10038933), (3, 6692622), (6, 3346311), (9, 2230874), (18, 1115437), (83, 241902), (89, 225594), (151, 132966), (166, 120951), (178, 112797), (249, 80634), (267, 75198), (302, 66483), (453, 44322), (498, 40317), (534, 37599), (747, 26878), (801, 25066), (906, 22161), (1359, 14774), (1494, 13439), (1602, 12533), (2718, 7387)]