20180882608

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{487}}^1\times {\mathrm{23761}}^1$

素因数の和:24365

約数の個数: 40

約数和(自身を含む): 39541868960

約数和(自身を除く): 19360986352

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 487, 872, 974, 1744, 1948, 3896, 7792, 23761, 47522, 53083, 95044, 106166, 190088, 212332, 380176, 424664, 849328, 2589949, 5179898, 10359796, 11571607, 20719592, 23143214, 41439184, 46286428, 92572856, 185145712, 1261305163, 2522610326, 5045220652, 10090441304, 20180882608]

約数ペア:

[(1, 20180882608), (2, 10090441304), (4, 5045220652), (8, 2522610326), (16, 1261305163), (109, 185145712), (218, 92572856), (436, 46286428), (487, 41439184), (872, 23143214), (974, 20719592), (1744, 11571607), (1948, 10359796), (3896, 5179898), (7792, 2589949), (23761, 849328), (47522, 424664), (53083, 380176), (95044, 212332), (106166, 190088)]