20212388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42463}}^1$

素因数の和:42491

約数の個数: 24

約数和(自身を含む): 42803712

約数和(自身を除く): 22591324

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42463, 84926, 169852, 297241, 594482, 721871, 1188964, 1443742, 2887484, 5053097, 10106194, 20212388]

約数ペア:

[(1, 20212388), (2, 10106194), (4, 5053097), (7, 2887484), (14, 1443742), (17, 1188964), (28, 721871), (34, 594482), (68, 297241), (119, 169852), (238, 84926), (476, 42463)]