20447694

素因数分解:

$2^1\times 3^3\times {\mathrm{378661}}^1$

素因数の和:378672

約数の個数: 16

約数和(自身を含む): 45439440

約数和(自身を除く): 24991746

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 378661, 757322, 1135983, 2271966, 3407949, 6815898, 10223847, 20447694]

約数ペア:

[(1, 20447694), (2, 10223847), (3, 6815898), (6, 3407949), (9, 2271966), (18, 1135983), (27, 757322), (54, 378661)]