20583968

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 43023960

約数和(自身を除く): 22439992

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 82, 116, 164, 232, 328, 464, 541, 656, 928, 1082, 1189, 1312, 2164, 2378, 4328, 4756, 8656, 9512, 15689, 17312, 19024, 22181, 31378, 38048, 44362, 62756, 88724, 125512, 177448, 251024, 354896, 502048, 643249, 709792, 1286498, 2572996, 5145992, 10291984, 20583968]

約数ペア:

[(1, 20583968), (2, 10291984), (4, 5145992), (8, 2572996), (16, 1286498), (29, 709792), (32, 643249), (41, 502048), (58, 354896), (82, 251024), (116, 177448), (164, 125512), (232, 88724), (328, 62756), (464, 44362), (541, 38048), (656, 31378), (928, 22181), (1082, 19024), (1189, 17312), (1312, 15689), (2164, 9512), (2378, 8656), (4328, 4756)]