20438384407

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1\times {\mathrm{104311}}^1$

素因数の和:105558

約数の個数: 16

約数和(自身を含む): 24393987072

約数和(自身を除く): 3955602665

約数列:

[1, 7, 23, 161, 1217, 8519, 27991, 104311, 195937, 730177, 2399153, 16794071, 126946487, 888625409, 2919769201, 20438384407]

約数ペア:

[(1, 20438384407), (7, 2919769201), (23, 888625409), (161, 126946487), (1217, 16794071), (8519, 2399153), (27991, 730177), (104311, 195937)]