20475630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4643}}^1$

素因数の和:4670

約数の個数: 72

約数和(自身を含む): 61941672

約数和(自身を除く): 41466042

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, 4643, 9286, 13929, 23215, 27858, 32501, 41787, 46430, 65002, 69645, 83574, 97503, 139290, 162505, 195006, 208935, 227507, 292509, 325010, 417870, 455014, 487515, 585018, 682521, 975030, 1137535, 1365042, 1462545, 2047563, 2275070, 2925090, 3412605, 4095126, 6825210, 10237815, 20475630]

約数ペア:

[(1, 20475630), (2, 10237815), (3, 6825210), (5, 4095126), (6, 3412605), (7, 2925090), (9, 2275070), (10, 2047563), (14, 1462545), (15, 1365042), (18, 1137535), (21, 975030), (30, 682521), (35, 585018), (42, 487515), (45, 455014), (49, 417870), (63, 325010), (70, 292509), (90, 227507), (98, 208935), (105, 195006), (126, 162505), (147, 139290), (210, 97503), (245, 83574), (294, 69645), (315, 65002), (441, 46430), (490, 41787), (630, 32501), (735, 27858), (882, 23215), (1470, 13929), (2205, 9286), (4410, 4643)]