20555784

素因数分解:

$2^3\times 3^2\times {\mathrm{285497}}^1$

素因数の和:285509

約数の個数: 24

約数和(自身を含む): 55672110

約数和(自身を除く): 35116326

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285497, 570994, 856491, 1141988, 1712982, 2283976, 2569473, 3425964, 5138946, 6851928, 10277892, 20555784]

約数ペア:

[(1, 20555784), (2, 10277892), (3, 6851928), (4, 5138946), (6, 3425964), (8, 2569473), (9, 2283976), (12, 1712982), (18, 1141988), (24, 856491), (36, 570994), (72, 285497)]