20404472

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 42661080

約数和(自身を除く): 22256608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 121, 197, 214, 242, 394, 428, 484, 788, 856, 968, 1177, 1576, 2167, 2354, 4334, 4708, 8668, 9416, 12947, 17336, 21079, 23837, 25894, 42158, 47674, 51788, 84316, 95348, 103576, 168632, 190696, 231869, 463738, 927476, 1854952, 2550559, 5101118, 10202236, 20404472]

約数ペア:

[(1, 20404472), (2, 10202236), (4, 5101118), (8, 2550559), (11, 1854952), (22, 927476), (44, 463738), (88, 231869), (107, 190696), (121, 168632), (197, 103576), (214, 95348), (242, 84316), (394, 51788), (428, 47674), (484, 42158), (788, 25894), (856, 23837), (968, 21079), (1177, 17336), (1576, 12947), (2167, 9416), (2354, 8668), (4334, 4708)]