20531433

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 31481856

約数和(自身を除く): 10950423

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 487, 611, 897, 1081, 1461, 1833, 3243, 6331, 11201, 14053, 18993, 22889, 33603, 42159, 68667, 145613, 297557, 436839, 526447, 892671, 1579341, 6843811, 20531433]

約数ペア:

[(1, 20531433), (3, 6843811), (13, 1579341), (23, 892671), (39, 526447), (47, 436839), (69, 297557), (141, 145613), (299, 68667), (487, 42159), (611, 33603), (897, 22889), (1081, 18993), (1461, 14053), (1833, 11201), (3243, 6331)]