20530917

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1154

約数の個数: 36

約数和(自身を含む): 34545420

約数和(自身を除く): 14014503

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1109, 1683, 2057, 3327, 6171, 9981, 12199, 18513, 18853, 36597, 56559, 109791, 134189, 169677, 207383, 402567, 622149, 1207701, 1866447, 2281213, 6843639, 20530917]

約数ペア:

[(1, 20530917), (3, 6843639), (9, 2281213), (11, 1866447), (17, 1207701), (33, 622149), (51, 402567), (99, 207383), (121, 169677), (153, 134189), (187, 109791), (363, 56559), (561, 36597), (1089, 18853), (1109, 18513), (1683, 12199), (2057, 9981), (3327, 6171)]