20777192

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 40512000

約数和(自身を除く): 19734808

約数列:

[1, 2, 4, 8, 31, 62, 124, 199, 248, 398, 421, 796, 842, 1592, 1684, 3368, 6169, 12338, 13051, 24676, 26102, 49352, 52204, 83779, 104408, 167558, 335116, 670232, 2597149, 5194298, 10388596, 20777192]

約数ペア:

[(1, 20777192), (2, 10388596), (4, 5194298), (8, 2597149), (31, 670232), (62, 335116), (124, 167558), (199, 104408), (248, 83779), (398, 52204), (421, 49352), (796, 26102), (842, 24676), (1592, 13051), (1684, 12338), (3368, 6169)]