20993802

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 23156598

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 149, 298, 447, 894, 1021, 2042, 3063, 3427, 6126, 6854, 10281, 20562, 23483, 46966, 70449, 140898, 152129, 304258, 456387, 912774, 3498967, 6997934, 10496901, 20993802]

約数ペア:

[(1, 20993802), (2, 10496901), (3, 6997934), (6, 3498967), (23, 912774), (46, 456387), (69, 304258), (138, 152129), (149, 140898), (298, 70449), (447, 46966), (894, 23483), (1021, 20562), (2042, 10281), (3063, 6854), (3427, 6126)]