16720312

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 19406408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 2351, 3556, 4702, 7112, 9404, 16457, 18808, 32914, 65828, 131656, 298577, 597154, 1194308, 2090039, 2388616, 4180078, 8360156, 16720312]

約数ペア:

[(1, 16720312), (2, 8360156), (4, 4180078), (7, 2388616), (8, 2090039), (14, 1194308), (28, 597154), (56, 298577), (127, 131656), (254, 65828), (508, 32914), (889, 18808), (1016, 16457), (1778, 9404), (2351, 7112), (3556, 4702)]