20161749604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{711223}}^1$

素因数の和:711619

約数の個数: 24

約数和(自身を含む): 37239688640

約数和(自身を除く): 17077939036

約数列:

[1, 2, 4, 19, 38, 76, 373, 746, 1492, 7087, 14174, 28348, 711223, 1422446, 2844892, 13513237, 27026474, 54052948, 265286179, 530572358, 1061144716, 5040437401, 10080874802, 20161749604]

約数ペア:

[(1, 20161749604), (2, 10080874802), (4, 5040437401), (19, 1061144716), (38, 530572358), (76, 265286179), (373, 54052948), (746, 27026474), (1492, 13513237), (7087, 2844892), (14174, 1422446), (28348, 711223)]