20974744987

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{229591}}^1$

素因数の和:230050

約数の個数: 16

約数和(自身を含む): 24803282944

約数和(自身を除く): 3828537957

約数列:

[1, 7, 31, 217, 421, 2947, 13051, 91357, 229591, 1607137, 7117321, 49821247, 96657811, 676604677, 2996392141, 20974744987]

約数ペア:

[(1, 20974744987), (7, 2996392141), (31, 676604677), (217, 96657811), (421, 49821247), (2947, 7117321), (13051, 1607137), (91357, 229591)]