20789936

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18301}}^1$

素因数の和:18380

約数の個数: 20

約数和(自身を含む): 40850064

約数和(自身を除く): 20060128

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18301, 36602, 73204, 146408, 292816, 1299371, 2598742, 5197484, 10394968, 20789936]

約数ペア:

[(1, 20789936), (2, 10394968), (4, 5197484), (8, 2598742), (16, 1299371), (71, 292816), (142, 146408), (284, 73204), (568, 36602), (1136, 18301)]