20785356

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11321}}^1$

素因数の和:11351

約数の個数: 48

約数和(自身を含む): 57062880

約数和(自身を除く): 36277524

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, 11321, 22642, 33963, 45284, 67926, 101889, 135852, 192457, 203778, 305667, 384914, 407556, 577371, 611334, 769828, 1154742, 1222668, 1732113, 2309484, 3464226, 5196339, 6928452, 10392678, 20785356]

約数ペア:

[(1, 20785356), (2, 10392678), (3, 6928452), (4, 5196339), (6, 3464226), (9, 2309484), (12, 1732113), (17, 1222668), (18, 1154742), (27, 769828), (34, 611334), (36, 577371), (51, 407556), (54, 384914), (68, 305667), (102, 203778), (108, 192457), (153, 135852), (204, 101889), (306, 67926), (459, 45284), (612, 33963), (918, 22642), (1836, 11321)]