20631858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20347}}^1$

素因数の和:20378

約数の個数: 24

約数和(自身を含む): 44684208

約数和(自身を除く): 24052350

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20347, 40694, 61041, 122082, 264511, 529022, 793533, 1587066, 3438643, 6877286, 10315929, 20631858]

約数ペア:

[(1, 20631858), (2, 10315929), (3, 6877286), (6, 3438643), (13, 1587066), (26, 793533), (39, 529022), (78, 264511), (169, 122082), (338, 61041), (507, 40694), (1014, 20347)]