20960730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 120

約数和(自身を含む): 64232532

約数和(自身を除く): 43271802

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 97, 98, 105, 126, 147, 194, 210, 245, 291, 294, 315, 343, 441, 485, 490, 582, 630, 679, 686, 735, 873, 882, 970, 1029, 1358, 1455, 1470, 1715, 1746, 2037, 2058, 2205, 2401, 2910, 3087, 3395, 3430, 4074, 4365, 4410, 4753, 4802, 5145, 6111, 6174, 6790, 7203, 8730, 9506, 10185, 10290, 12005, 12222, 14259, 14406, 15435, 20370, 21609, 23765, 24010, 28518, 30555, 30870, 33271, 36015, 42777, 43218, 47530, 61110, 66542, 71295, 72030, 85554, 99813, 108045, 142590, 166355, 199626, 213885, 216090, 232897, 299439, 332710, 427770, 465794, 499065, 598878, 698691, 998130, 1164485, 1397382, 1497195, 2096073, 2328970, 2994390, 3493455, 4192146, 6986910, 10480365, 20960730]

約数ペア:

[(1, 20960730), (2, 10480365), (3, 6986910), (5, 4192146), (6, 3493455), (7, 2994390), (9, 2328970), (10, 2096073), (14, 1497195), (15, 1397382), (18, 1164485), (21, 998130), (30, 698691), (35, 598878), (42, 499065), (45, 465794), (49, 427770), (63, 332710), (70, 299439), (90, 232897), (97, 216090), (98, 213885), (105, 199626), (126, 166355), (147, 142590), (194, 108045), (210, 99813), (245, 85554), (291, 72030), (294, 71295), (315, 66542), (343, 61110), (441, 47530), (485, 43218), (490, 42777), (582, 36015), (630, 33271), (679, 30870), (686, 30555), (735, 28518), (873, 24010), (882, 23765), (970, 21609), (1029, 20370), (1358, 15435), (1455, 14406), (1470, 14259), (1715, 12222), (1746, 12005), (2037, 10290), (2058, 10185), (2205, 9506), (2401, 8730), (2910, 7203), (3087, 6790), (3395, 6174), (3430, 6111), (4074, 5145), (4365, 4802), (4410, 4753)]