20054120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26387}}^1$

素因数の和:26417

約数の個数: 32

約数和(自身を含む): 47498400

約数和(自身を除く): 27444280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26387, 52774, 105548, 131935, 211096, 263870, 501353, 527740, 1002706, 1055480, 2005412, 2506765, 4010824, 5013530, 10027060, 20054120]

約数ペア:

[(1, 20054120), (2, 10027060), (4, 5013530), (5, 4010824), (8, 2506765), (10, 2005412), (19, 1055480), (20, 1002706), (38, 527740), (40, 501353), (76, 263870), (95, 211096), (152, 131935), (190, 105548), (380, 52774), (760, 26387)]