20977473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 32890752

約数和(自身を除く): 11913279

約数列:

[1, 3, 11, 17, 33, 51, 61, 183, 187, 561, 613, 671, 1037, 1839, 2013, 3111, 6743, 10421, 11407, 20229, 31263, 34221, 37393, 112179, 114631, 343893, 411323, 635681, 1233969, 1907043, 6992491, 20977473]

約数ペア:

[(1, 20977473), (3, 6992491), (11, 1907043), (17, 1233969), (33, 635681), (51, 411323), (61, 343893), (183, 114631), (187, 112179), (561, 37393), (613, 34221), (671, 31263), (1037, 20229), (1839, 11407), (2013, 10421), (3111, 6743)]