20207798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 14719402

約数列:

[1, 2, 13, 17, 26, 34, 131, 221, 262, 349, 442, 698, 1703, 2227, 3406, 4454, 4537, 5933, 9074, 11866, 28951, 45719, 57902, 77129, 91438, 154258, 594347, 777223, 1188694, 1554446, 10103899, 20207798]

約数ペア:

[(1, 20207798), (2, 10103899), (13, 1554446), (17, 1188694), (26, 777223), (34, 594347), (131, 154258), (221, 91438), (262, 77129), (349, 57902), (442, 45719), (698, 28951), (1703, 11866), (2227, 9074), (3406, 5933), (4454, 4537)]