20951192

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19268008

約数列:

[1, 2, 4, 8, 83, 139, 166, 227, 278, 332, 454, 556, 664, 908, 1112, 1816, 11537, 18841, 23074, 31553, 37682, 46148, 63106, 75364, 92296, 126212, 150728, 252424, 2618899, 5237798, 10475596, 20951192]

約数ペア:

[(1, 20951192), (2, 10475596), (4, 5237798), (8, 2618899), (83, 252424), (139, 150728), (166, 126212), (227, 92296), (278, 75364), (332, 63106), (454, 46148), (556, 37682), (664, 31553), (908, 23074), (1112, 18841), (1816, 11537)]