20809723933

素因数分解:

${\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 21201280000

約数和(自身を除く): 391556067

約数列:

[1, 79, 313, 421, 1999, 24727, 33259, 131773, 157921, 625687, 841579, 10410067, 49429273, 66484741, 263414227, 20809723933]

約数ペア:

[(1, 20809723933), (79, 263414227), (313, 66484741), (421, 49429273), (1999, 10410067), (24727, 841579), (33259, 625687), (131773, 157921)]