20168712

素因数分解:

$2^3\times 3^2\times {\mathrm{280121}}^1$

素因数の和:280133

約数の個数: 24

約数和(自身を含む): 54623790

約数和(自身を除く): 34455078

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280121, 560242, 840363, 1120484, 1680726, 2240968, 2521089, 3361452, 5042178, 6722904, 10084356, 20168712]

約数ペア:

[(1, 20168712), (2, 10084356), (3, 6722904), (4, 5042178), (6, 3361452), (8, 2521089), (9, 2240968), (12, 1680726), (18, 1120484), (24, 840363), (36, 560242), (72, 280121)]