20397858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15383}}^1$

素因数の和:15418

約数の個数: 32

約数和(自身を含む): 46521216

約数和(自身を除く): 26123358

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15383, 30766, 46149, 92298, 199979, 261511, 399958, 523022, 599937, 784533, 1199874, 1569066, 3399643, 6799286, 10198929, 20397858]

約数ペア:

[(1, 20397858), (2, 10198929), (3, 6799286), (6, 3399643), (13, 1569066), (17, 1199874), (26, 784533), (34, 599937), (39, 523022), (51, 399958), (78, 261511), (102, 199979), (221, 92298), (442, 46149), (663, 30766), (1326, 15383)]