20442076

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 36629600

約数和(自身を除く): 16187524

約数列:

[1, 2, 4, 61, 122, 199, 244, 398, 421, 796, 842, 1684, 12139, 24278, 25681, 48556, 51362, 83779, 102724, 167558, 335116, 5110519, 10221038, 20442076]

約数ペア:

[(1, 20442076), (2, 10221038), (4, 5110519), (61, 335116), (122, 167558), (199, 102724), (244, 83779), (398, 51362), (421, 48556), (796, 25681), (842, 24278), (1684, 12139)]