20455947

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5813}}^1$

素因数の和:5859

約数の個数: 24

約数和(自身を含む): 32651424

約数和(自身を除く): 12195477

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5813, 17439, 52317, 98821, 133699, 296463, 401097, 889389, 1203291, 2272883, 6818649, 20455947]

約数ペア:

[(1, 20455947), (3, 6818649), (9, 2272883), (17, 1203291), (23, 889389), (51, 401097), (69, 296463), (153, 133699), (207, 98821), (391, 52317), (1173, 17439), (3519, 5813)]