20899188

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11383}}^1$

素因数の和:11413

約数の個数: 48

約数和(自身を含む): 57375360

約数和(自身を除く): 36476172

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11383, 22766, 34149, 45532, 68298, 102447, 136596, 193511, 204894, 307341, 387022, 409788, 580533, 614682, 774044, 1161066, 1229364, 1741599, 2322132, 3483198, 5224797, 6966396, 10449594, 20899188]

約数ペア:

[(1, 20899188), (2, 10449594), (3, 6966396), (4, 5224797), (6, 3483198), (9, 2322132), (12, 1741599), (17, 1229364), (18, 1161066), (27, 774044), (34, 614682), (36, 580533), (51, 409788), (54, 387022), (68, 307341), (102, 204894), (108, 193511), (153, 136596), (204, 102447), (306, 68298), (459, 45532), (612, 34149), (918, 22766), (1836, 11383)]