20173537204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1\times {\mathrm{6991}}^1$

素因数の和:7940

約数の個数: 48

約数和(自身を含む): 38074516480

約数和(自身を除く): 17900979276

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 883, 1634, 1766, 3268, 3532, 6991, 13982, 16777, 27964, 33554, 37969, 67108, 75938, 132829, 151876, 265658, 300613, 531316, 601226, 721411, 1202452, 1442822, 2885644, 5711647, 6173053, 11423294, 12346106, 22846588, 24692212, 117288007, 234576014, 265441279, 469152028, 530882558, 1061765116, 5043384301, 10086768602, 20173537204]

約数ペア:

[(1, 20173537204), (2, 10086768602), (4, 5043384301), (19, 1061765116), (38, 530882558), (43, 469152028), (76, 265441279), (86, 234576014), (172, 117288007), (817, 24692212), (883, 22846588), (1634, 12346106), (1766, 11423294), (3268, 6173053), (3532, 5711647), (6991, 2885644), (13982, 1442822), (16777, 1202452), (27964, 721411), (33554, 601226), (37969, 531316), (67108, 300613), (75938, 265658), (132829, 151876)]