20171656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1787}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 40551840

約数和(自身を除く): 20380184

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1787, 2822, 3574, 5644, 7148, 11288, 14296, 30379, 60758, 121516, 148321, 243032, 296642, 593284, 1186568, 2521457, 5042914, 10085828, 20171656]

約数ペア:

[(1, 20171656), (2, 10085828), (4, 5042914), (8, 2521457), (17, 1186568), (34, 593284), (68, 296642), (83, 243032), (136, 148321), (166, 121516), (332, 60758), (664, 30379), (1411, 14296), (1787, 11288), (2822, 7148), (3574, 5644)]