20868856

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{593}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 40415760

約数和(自身を除く): 19546904

約数列:

[1, 2, 4, 8, 53, 83, 106, 166, 212, 332, 424, 593, 664, 1186, 2372, 4399, 4744, 8798, 17596, 31429, 35192, 49219, 62858, 98438, 125716, 196876, 251432, 393752, 2608607, 5217214, 10434428, 20868856]

約数ペア:

[(1, 20868856), (2, 10434428), (4, 5217214), (8, 2608607), (53, 393752), (83, 251432), (106, 196876), (166, 125716), (212, 98438), (332, 62858), (424, 49219), (593, 35192), (664, 31429), (1186, 17596), (2372, 8798), (4399, 4744)]