20443808

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8297}}^1$

素因数の和:8325

約数の個数: 48

約数和(自身を含む): 50186304

約数和(自身を除く): 29742496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8297, 16594, 33188, 58079, 66376, 91267, 116158, 132752, 182534, 232316, 265504, 365068, 464632, 638869, 730136, 929264, 1277738, 1460272, 1858528, 2555476, 2920544, 5110952, 10221904, 20443808]

約数ペア:

[(1, 20443808), (2, 10221904), (4, 5110952), (7, 2920544), (8, 2555476), (11, 1858528), (14, 1460272), (16, 1277738), (22, 929264), (28, 730136), (32, 638869), (44, 464632), (56, 365068), (77, 265504), (88, 232316), (112, 182534), (154, 132752), (176, 116158), (224, 91267), (308, 66376), (352, 58079), (616, 33188), (1232, 16594), (2464, 8297)]