20185920016

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{383}}^1\times {\mathrm{16553}}^1$

素因数の和:17143

約数の個数: 40

約数和(自身を含む): 39411763200

約数和(自身を除く): 19225843184

約数列:

[1, 2, 4, 8, 16, 199, 383, 398, 766, 796, 1532, 1592, 3064, 3184, 6128, 16553, 33106, 66212, 76217, 132424, 152434, 264848, 304868, 609736, 1219472, 3294047, 6339799, 6588094, 12679598, 13176188, 25359196, 26352376, 50718392, 52704752, 101436784, 1261620001, 2523240002, 5046480004, 10092960008, 20185920016]

約数ペア:

[(1, 20185920016), (2, 10092960008), (4, 5046480004), (8, 2523240002), (16, 1261620001), (199, 101436784), (383, 52704752), (398, 50718392), (766, 26352376), (796, 25359196), (1532, 13176188), (1592, 12679598), (3064, 6588094), (3184, 6339799), (6128, 3294047), (16553, 1219472), (33106, 609736), (66212, 304868), (76217, 264848), (132424, 152434)]