20391246

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7603}}^1$

素因数の和:7760

約数の個数: 24

約数和(自身を含む): 44483400

約数和(自身を除く): 24092154

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7603, 15206, 22809, 45618, 68427, 136854, 1132847, 2265694, 3398541, 6797082, 10195623, 20391246]

約数ペア:

[(1, 20391246), (2, 10195623), (3, 6797082), (6, 3398541), (9, 2265694), (18, 1132847), (149, 136854), (298, 68427), (447, 45618), (894, 22809), (1341, 15206), (2682, 7603)]