20602869

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23929}}^1$

素因数の和:23980

約数の個数: 16

約数和(自身を含む): 32161920

約数和(自身を除く): 11559051

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23929, 71787, 167503, 502509, 981089, 2943267, 6867623, 20602869]

約数ペア:

[(1, 20602869), (3, 6867623), (7, 2943267), (21, 981089), (41, 502509), (123, 167503), (287, 71787), (861, 23929)]