20838974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47147}}^1$

素因数の和:47179

約数の個数: 16

約数和(自身を含む): 35643888

約数和(自身を除く): 14804914

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47147, 94294, 612911, 801499, 1225822, 1602998, 10419487, 20838974]

約数ペア:

[(1, 20838974), (2, 10419487), (13, 1602998), (17, 1225822), (26, 801499), (34, 612911), (221, 94294), (442, 47147)]