20604129

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1063}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 13716255

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1063, 1491, 2769, 3189, 6461, 7441, 13819, 19383, 22323, 41457, 75473, 96733, 226419, 290199, 528311, 981149, 1584933, 2943447, 6868043, 20604129]

約数ペア:

[(1, 20604129), (3, 6868043), (7, 2943447), (13, 1584933), (21, 981149), (39, 528311), (71, 290199), (91, 226419), (213, 96733), (273, 75473), (497, 41457), (923, 22323), (1063, 19383), (1491, 13819), (2769, 7441), (3189, 6461)]