20099516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1109}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 36923040

約数和(自身を除く): 16823524

約数列:

[1, 2, 4, 23, 46, 92, 197, 394, 788, 1109, 2218, 4436, 4531, 9062, 18124, 25507, 51014, 102028, 218473, 436946, 873892, 5024879, 10049758, 20099516]

約数ペア:

[(1, 20099516), (2, 10049758), (4, 5024879), (23, 873892), (46, 436946), (92, 218473), (197, 102028), (394, 51014), (788, 25507), (1109, 18124), (2218, 9062), (4436, 4531)]