20573735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 30750720

約数和(自身を除く): 10176985

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 439, 455, 515, 721, 1339, 2195, 3073, 3605, 5707, 6695, 9373, 15365, 28535, 39949, 45217, 46865, 199745, 226085, 316519, 587821, 1582595, 2939105, 4114747, 20573735]

約数ペア:

[(1, 20573735), (5, 4114747), (7, 2939105), (13, 1582595), (35, 587821), (65, 316519), (91, 226085), (103, 199745), (439, 46865), (455, 45217), (515, 39949), (721, 28535), (1339, 15365), (2195, 9373), (3073, 6695), (3605, 5707)]