20083784

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26364856

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 503, 644, 713, 868, 1006, 1288, 1426, 1736, 2012, 2852, 3521, 4024, 4991, 5704, 7042, 9982, 11569, 14084, 15593, 19964, 23138, 28168, 31186, 39928, 46276, 62372, 80983, 92552, 109151, 124744, 161966, 218302, 323932, 358639, 436604, 647864, 717278, 873208, 1434556, 2510473, 2869112, 5020946, 10041892, 20083784]

約数ペア:

[(1, 20083784), (2, 10041892), (4, 5020946), (7, 2869112), (8, 2510473), (14, 1434556), (23, 873208), (28, 717278), (31, 647864), (46, 436604), (56, 358639), (62, 323932), (92, 218302), (124, 161966), (161, 124744), (184, 109151), (217, 92552), (248, 80983), (322, 62372), (434, 46276), (503, 39928), (644, 31186), (713, 28168), (868, 23138), (1006, 19964), (1288, 15593), (1426, 14084), (1736, 11569), (2012, 9982), (2852, 7042), (3521, 5704), (4024, 4991)]