20943247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 2345585

約数列:

[1, 13, 47, 151, 227, 611, 1963, 2951, 7097, 10669, 34277, 92261, 138697, 445601, 1611019, 20943247]

約数ペア:

[(1, 20943247), (13, 1611019), (47, 445601), (151, 138697), (227, 92261), (611, 34277), (1963, 10669), (2951, 7097)]