20634390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4679}}^1$

素因数の和:4706

約数の個数: 72

約数和(自身を含む): 62421840

約数和(自身を除く): 41787450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4679, 9358, 14037, 23395, 28074, 32753, 42111, 46790, 65506, 70185, 84222, 98259, 140370, 163765, 196518, 210555, 229271, 294777, 327530, 421110, 458542, 491295, 589554, 687813, 982590, 1146355, 1375626, 1473885, 2063439, 2292710, 2947770, 3439065, 4126878, 6878130, 10317195, 20634390]

約数ペア:

[(1, 20634390), (2, 10317195), (3, 6878130), (5, 4126878), (6, 3439065), (7, 2947770), (9, 2292710), (10, 2063439), (14, 1473885), (15, 1375626), (18, 1146355), (21, 982590), (30, 687813), (35, 589554), (42, 491295), (45, 458542), (49, 421110), (63, 327530), (70, 294777), (90, 229271), (98, 210555), (105, 196518), (126, 163765), (147, 140370), (210, 98259), (245, 84222), (294, 70185), (315, 65506), (441, 46790), (490, 42111), (630, 32753), (735, 28074), (882, 23395), (1470, 14037), (2205, 9358), (4410, 4679)]