20824783

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 24466176

約数和(自身を除く): 3641393

約数列:

[1, 7, 73, 83, 491, 511, 581, 3437, 6059, 35843, 40753, 42413, 250901, 285271, 2974969, 20824783]

約数ペア:

[(1, 20824783), (7, 2974969), (73, 285271), (83, 250901), (491, 42413), (511, 40753), (581, 35843), (3437, 6059)]