20158110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{653}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 61214400

約数和(自身を除く): 41056290

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, 343, 441, 490, 630, 653, 686, 735, 882, 1029, 1306, 1470, 1715, 1959, 2058, 2205, 3087, 3265, 3430, 3918, 4410, 4571, 5145, 5877, 6174, 6530, 9142, 9795, 10290, 11754, 13713, 15435, 19590, 22855, 27426, 29385, 30870, 31997, 41139, 45710, 58770, 63994, 68565, 82278, 95991, 137130, 159985, 191982, 205695, 223979, 287973, 319970, 411390, 447958, 479955, 575946, 671937, 959910, 1119895, 1343874, 1439865, 2015811, 2239790, 2879730, 3359685, 4031622, 6719370, 10079055, 20158110]

約数ペア:

[(1, 20158110), (2, 10079055), (3, 6719370), (5, 4031622), (6, 3359685), (7, 2879730), (9, 2239790), (10, 2015811), (14, 1439865), (15, 1343874), (18, 1119895), (21, 959910), (30, 671937), (35, 575946), (42, 479955), (45, 447958), (49, 411390), (63, 319970), (70, 287973), (90, 223979), (98, 205695), (105, 191982), (126, 159985), (147, 137130), (210, 95991), (245, 82278), (294, 68565), (315, 63994), (343, 58770), (441, 45710), (490, 41139), (630, 31997), (653, 30870), (686, 29385), (735, 27426), (882, 22855), (1029, 19590), (1306, 15435), (1470, 13713), (1715, 11754), (1959, 10290), (2058, 9795), (2205, 9142), (3087, 6530), (3265, 6174), (3430, 5877), (3918, 5145), (4410, 4571)]