20185081672

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8382509}}^1$

素因数の和:8382565

約数の個数: 32

約数和(自身を含む): 44259652800

約数和(自身を除く): 24074571128

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8382509, 16765018, 33530036, 58677563, 67060072, 117355126, 234710252, 360447887, 469420504, 720895774, 1441791548, 2523135209, 2883583096, 5046270418, 10092540836, 20185081672]

約数ペア:

[(1, 20185081672), (2, 10092540836), (4, 5046270418), (7, 2883583096), (8, 2523135209), (14, 1441791548), (28, 720895774), (43, 469420504), (56, 360447887), (86, 234710252), (172, 117355126), (301, 67060072), (344, 58677563), (602, 33530036), (1204, 16765018), (2408, 8382509)]