20570537

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 22885632

約数和(自身を除く): 2315095

約数列:

[1, 13, 47, 131, 257, 611, 1703, 3341, 6157, 12079, 33667, 80041, 157027, 437671, 1582349, 20570537]

約数ペア:

[(1, 20570537), (13, 1582349), (47, 437671), (131, 157027), (257, 80041), (611, 33667), (1703, 12079), (3341, 6157)]