20943507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 11957613

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1019, 1209, 1581, 3057, 6851, 13247, 17323, 20553, 31589, 39741, 51969, 94767, 225199, 410657, 537013, 675597, 1231971, 1611039, 6981169, 20943507]

約数ペア:

[(1, 20943507), (3, 6981169), (13, 1611039), (17, 1231971), (31, 675597), (39, 537013), (51, 410657), (93, 225199), (221, 94767), (403, 51969), (527, 39741), (663, 31589), (1019, 20553), (1209, 17323), (1581, 13247), (3057, 6851)]