20392504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2389}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 42159600

約数和(自身を除く): 21767096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2389, 4268, 4778, 8536, 9556, 19112, 26279, 52558, 105116, 210232, 231733, 463466, 926932, 1853864, 2549063, 5098126, 10196252, 20392504]

約数ペア:

[(1, 20392504), (2, 10196252), (4, 5098126), (8, 2549063), (11, 1853864), (22, 926932), (44, 463466), (88, 231733), (97, 210232), (194, 105116), (388, 52558), (776, 26279), (1067, 19112), (2134, 9556), (2389, 8536), (4268, 4778)]