20512157898

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3457}}^1\times {\mathrm{7549}}^1$

素因数の和:11142

約数の個数: 32

約数和(自身を含む): 41354913600

約数和(自身を除く): 20842755702

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 3457, 6914, 7549, 10371, 15098, 20742, 22647, 45294, 452867, 905734, 988919, 1358601, 1977838, 2717202, 2966757, 5933514, 26096893, 52193786, 78290679, 156581358, 3418692983, 6837385966, 10256078949, 20512157898]

約数ペア:

[(1, 20512157898), (2, 10256078949), (3, 6837385966), (6, 3418692983), (131, 156581358), (262, 78290679), (393, 52193786), (786, 26096893), (3457, 5933514), (6914, 2966757), (7549, 2717202), (10371, 1977838), (15098, 1358601), (20742, 988919), (22647, 905734), (45294, 452867)]