20209812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5119}}^1$

素因数の和:5180

約数の個数: 48

約数和(自身を含む): 55050240

約数和(自身を除く): 34840428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5119, 10238, 15357, 20476, 30714, 35833, 61428, 71666, 107499, 143332, 214998, 240593, 429996, 481186, 721779, 962372, 1443558, 1684151, 2887116, 3368302, 5052453, 6736604, 10104906, 20209812]

約数ペア:

[(1, 20209812), (2, 10104906), (3, 6736604), (4, 5052453), (6, 3368302), (7, 2887116), (12, 1684151), (14, 1443558), (21, 962372), (28, 721779), (42, 481186), (47, 429996), (84, 240593), (94, 214998), (141, 143332), (188, 107499), (282, 71666), (329, 61428), (564, 35833), (658, 30714), (987, 20476), (1316, 15357), (1974, 10238), (3948, 5119)]