20959110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1301}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 33881130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1301, 1611, 1790, 2602, 2685, 3222, 3903, 5370, 6505, 7806, 8055, 11709, 13010, 16110, 19515, 23418, 39030, 58545, 117090, 232879, 465758, 698637, 1164395, 1397274, 2095911, 2328790, 3493185, 4191822, 6986370, 10479555, 20959110]

約数ペア:

[(1, 20959110), (2, 10479555), (3, 6986370), (5, 4191822), (6, 3493185), (9, 2328790), (10, 2095911), (15, 1397274), (18, 1164395), (30, 698637), (45, 465758), (90, 232879), (179, 117090), (358, 58545), (537, 39030), (895, 23418), (1074, 19515), (1301, 16110), (1611, 13010), (1790, 11709), (2602, 8055), (2685, 7806), (3222, 6505), (3903, 5370)]