20413921101

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3083}}^1\times {\mathrm{13709}}^1$

素因数の和:16825

約数の個数: 32

約数和(自身を含む): 32472299520

約数和(自身を除く): 12058378419

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 3083, 9249, 13709, 21581, 41127, 64743, 70909, 95963, 212727, 287889, 315307, 496363, 945921, 1489089, 2207149, 6621447, 42264847, 126794541, 295853929, 887561787, 972091481, 2916274443, 6804640367, 20413921101]

約数ペア:

[(1, 20413921101), (3, 6804640367), (7, 2916274443), (21, 972091481), (23, 887561787), (69, 295853929), (161, 126794541), (483, 42264847), (3083, 6621447), (9249, 2207149), (13709, 1489089), (21581, 945921), (41127, 496363), (64743, 315307), (70909, 287889), (95963, 212727)]