20216506212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{966557}}^1$

素因数の和:966657

約数の個数: 72

約数和(自身を含む): 59106954816

約数和(自身を除く): 38890448604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 996, 1162, 1494, 1743, 2324, 2988, 3486, 5229, 6972, 10458, 20916, 966557, 1933114, 2899671, 3866228, 5799342, 6765899, 8699013, 11598684, 13531798, 17398026, 20297697, 27063596, 34796052, 40595394, 60893091, 80224231, 81190788, 121786182, 160448462, 240672693, 243572364, 320896924, 481345386, 561569617, 722018079, 962690772, 1123139234, 1444036158, 1684708851, 2246278468, 2888072316, 3369417702, 5054126553, 6738835404, 10108253106, 20216506212]

約数ペア:

[(1, 20216506212), (2, 10108253106), (3, 6738835404), (4, 5054126553), (6, 3369417702), (7, 2888072316), (9, 2246278468), (12, 1684708851), (14, 1444036158), (18, 1123139234), (21, 962690772), (28, 722018079), (36, 561569617), (42, 481345386), (63, 320896924), (83, 243572364), (84, 240672693), (126, 160448462), (166, 121786182), (249, 81190788), (252, 80224231), (332, 60893091), (498, 40595394), (581, 34796052), (747, 27063596), (996, 20297697), (1162, 17398026), (1494, 13531798), (1743, 11598684), (2324, 8699013), (2988, 6765899), (3486, 5799342), (5229, 3866228), (6972, 2899671), (10458, 1933114), (20916, 966557)]