20778844136

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{2153}}^1\times {\mathrm{12437}}^1$

素因数の和:14693

約数の個数: 32

約数和(自身を含む): 39383434440

約数和(自身を除く): 18604590304

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 2153, 4306, 8612, 12437, 17224, 24874, 49748, 99496, 208841, 417682, 835364, 1206389, 1670728, 2412778, 4825556, 9651112, 26776861, 53553722, 107107444, 214214888, 2597355517, 5194711034, 10389422068, 20778844136]

約数ペア:

[(1, 20778844136), (2, 10389422068), (4, 5194711034), (8, 2597355517), (97, 214214888), (194, 107107444), (388, 53553722), (776, 26776861), (2153, 9651112), (4306, 4825556), (8612, 2412778), (12437, 1670728), (17224, 1206389), (24874, 835364), (49748, 417682), (99496, 208841)]