20258535

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 35976960

約数和(自身を除く): 15718425

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 2081, 3245, 6243, 9735, 10405, 22891, 31215, 68673, 114455, 122779, 343365, 368337, 613895, 1350569, 1841685, 4051707, 6752845, 20258535]

約数ペア:

[(1, 20258535), (3, 6752845), (5, 4051707), (11, 1841685), (15, 1350569), (33, 613895), (55, 368337), (59, 343365), (165, 122779), (177, 114455), (295, 68673), (649, 31215), (885, 22891), (1947, 10405), (2081, 9735), (3245, 6243)]