20575908

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4363}}^1$

素因数の和:4504

約数の個数: 36

約数和(自身を含む): 52420368

約数和(自身を除く): 31844460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4363, 4716, 8726, 13089, 17452, 26178, 39267, 52356, 78534, 157068, 571553, 1143106, 1714659, 2286212, 3429318, 5143977, 6858636, 10287954, 20575908]

約数ペア:

[(1, 20575908), (2, 10287954), (3, 6858636), (4, 5143977), (6, 3429318), (9, 2286212), (12, 1714659), (18, 1143106), (36, 571553), (131, 157068), (262, 78534), (393, 52356), (524, 39267), (786, 26178), (1179, 17452), (1572, 13089), (2358, 8726), (4363, 4716)]