20961991678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{16981}}^1\times {\mathrm{36307}}^1$

素因数の和:53307

約数の個数: 16

約数和(自身を含む): 33295452624

約数和(自身を除く): 12333460946

約数列:

[1, 2, 17, 34, 16981, 33962, 36307, 72614, 288677, 577354, 617219, 1234438, 616529167, 1233058334, 10480995839, 20961991678]

約数ペア:

[(1, 20961991678), (2, 10480995839), (17, 1233058334), (34, 616529167), (16981, 1234438), (33962, 617219), (36307, 577354), (72614, 288677)]