20101923728

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{457}}^1\times {\mathrm{21647}}^1$

素因数の和:22239

約数の個数: 40

約数和(自身を含む): 39341862912

約数和(自身を除く): 19239939184

約数列:

[1, 2, 4, 8, 16, 127, 254, 457, 508, 914, 1016, 1828, 2032, 3656, 7312, 21647, 43294, 58039, 86588, 116078, 173176, 232156, 346352, 464312, 928624, 2749169, 5498338, 9892679, 10996676, 19785358, 21993352, 39570716, 43986704, 79141432, 158282864, 1256370233, 2512740466, 5025480932, 10050961864, 20101923728]

約数ペア:

[(1, 20101923728), (2, 10050961864), (4, 5025480932), (8, 2512740466), (16, 1256370233), (127, 158282864), (254, 79141432), (457, 43986704), (508, 39570716), (914, 21993352), (1016, 19785358), (1828, 10996676), (2032, 9892679), (3656, 5498338), (7312, 2749169), (21647, 928624), (43294, 464312), (58039, 346352), (86588, 232156), (116078, 173176)]