20402786

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 31116960

約数和(自身を除く): 10714174

約数列:

[1, 2, 97, 194, 251, 419, 502, 838, 24347, 40643, 48694, 81286, 105169, 210338, 10201393, 20402786]

約数ペア:

[(1, 20402786), (2, 10201393), (97, 210338), (194, 105169), (251, 81286), (419, 48694), (502, 40643), (838, 24347)]