20880044

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3209

約数の個数: 24

約数和(自身を含む): 38663520

約数和(自身を除く): 17783476

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3109, 3358, 6218, 6716, 12436, 71507, 143014, 226957, 286028, 453914, 907828, 5220011, 10440022, 20880044]

約数ペア:

[(1, 20880044), (2, 10440022), (4, 5220011), (23, 907828), (46, 453914), (73, 286028), (92, 226957), (146, 143014), (292, 71507), (1679, 12436), (3109, 6716), (3358, 6218)]