20974838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{1321}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 33409584

約数和(自身を除く): 12434746

約数列:

[1, 2, 17, 34, 467, 934, 1321, 2642, 7939, 15878, 22457, 44914, 616907, 1233814, 10487419, 20974838]

約数ペア:

[(1, 20974838), (2, 10487419), (17, 1233814), (34, 616907), (467, 44914), (934, 22457), (1321, 15878), (2642, 7939)]