20156138499

素因数分解:

$3^1\times 7^1\times {\mathrm{40111}}^1\times {\mathrm{23929}}^1$

素因数の和:64050

約数の個数: 16

約数和(自身を含む): 30716165120

約数和(自身を除く): 10560026621

約数列:

[1, 3, 7, 21, 23929, 40111, 71787, 120333, 167503, 280777, 502509, 842331, 959816119, 2879448357, 6718712833, 20156138499]

約数ペア:

[(1, 20156138499), (3, 6718712833), (7, 2879448357), (21, 959816119), (23929, 842331), (40111, 502509), (71787, 280777), (120333, 167503)]