20343421

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 24167808

約数和(自身を除く): 3824387

約数列:

[1, 7, 41, 73, 287, 511, 971, 2993, 6797, 20951, 39811, 70883, 278677, 496181, 2906203, 20343421]

約数ペア:

[(1, 20343421), (7, 2906203), (41, 496181), (73, 278677), (287, 70883), (511, 39811), (971, 20951), (2993, 6797)]