20138043840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20977129}}^1$

素因数の和:20977149

約数の個数: 56

約数和(自身を含む): 63938292240

約数和(自身を除く): 43800248400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20977129, 41954258, 62931387, 83908516, 104885645, 125862774, 167817032, 209771290, 251725548, 314656935, 335634064, 419542580, 503451096, 629313870, 671268128, 839085160, 1006902192, 1258627740, 1342536256, 1678170320, 2013804384, 2517255480, 3356340640, 4027608768, 5034510960, 6712681280, 10069021920, 20138043840]

約数ペア:

[(1, 20138043840), (2, 10069021920), (3, 6712681280), (4, 5034510960), (5, 4027608768), (6, 3356340640), (8, 2517255480), (10, 2013804384), (12, 1678170320), (15, 1342536256), (16, 1258627740), (20, 1006902192), (24, 839085160), (30, 671268128), (32, 629313870), (40, 503451096), (48, 419542580), (60, 335634064), (64, 314656935), (80, 251725548), (96, 209771290), (120, 167817032), (160, 125862774), (192, 104885645), (240, 83908516), (320, 62931387), (480, 41954258), (960, 20977129)]