20756898

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7537}}^1$

素因数の和:7568

約数の個数: 40

約数和(自身を含む): 49253292

約数和(自身を除く): 28496394

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7537, 15074, 22611, 45222, 67833, 128129, 135666, 203499, 256258, 384387, 406998, 610497, 768774, 1153161, 1220994, 2306322, 3459483, 6918966, 10378449, 20756898]

約数ペア:

[(1, 20756898), (2, 10378449), (3, 6918966), (6, 3459483), (9, 2306322), (17, 1220994), (18, 1153161), (27, 768774), (34, 610497), (51, 406998), (54, 384387), (81, 256258), (102, 203499), (153, 135666), (162, 128129), (306, 67833), (459, 45222), (918, 22611), (1377, 15074), (2754, 7537)]