20783310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 52121664

約数和(自身を除く): 31338354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 61, 82, 122, 123, 183, 205, 246, 277, 305, 366, 410, 554, 610, 615, 831, 915, 1230, 1385, 1662, 1830, 2501, 2770, 4155, 5002, 7503, 8310, 11357, 12505, 15006, 16897, 22714, 25010, 33794, 34071, 37515, 50691, 56785, 68142, 75030, 84485, 101382, 113570, 168970, 170355, 253455, 340710, 506910, 692777, 1385554, 2078331, 3463885, 4156662, 6927770, 10391655, 20783310]

約数ペア:

[(1, 20783310), (2, 10391655), (3, 6927770), (5, 4156662), (6, 3463885), (10, 2078331), (15, 1385554), (30, 692777), (41, 506910), (61, 340710), (82, 253455), (122, 170355), (123, 168970), (183, 113570), (205, 101382), (246, 84485), (277, 75030), (305, 68142), (366, 56785), (410, 50691), (554, 37515), (610, 34071), (615, 33794), (831, 25010), (915, 22714), (1230, 16897), (1385, 15006), (1662, 12505), (1830, 11357), (2501, 8310), (2770, 7503), (4155, 5002)]