20161976590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1523}}^1\times {\mathrm{27017}}^1$

素因数の和:28561

約数の個数: 48

約数和(自身を含む): 42245993232

約数和(自身を除く): 22084016642

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1523, 3046, 7615, 10661, 15230, 21322, 27017, 53305, 54034, 74627, 106610, 135085, 149254, 189119, 270170, 373135, 378238, 746270, 945595, 1323833, 1891190, 2647666, 6619165, 13238330, 41146891, 82293782, 205734455, 288028237, 411468910, 576056474, 1440141185, 2016197659, 2880282370, 4032395318, 10080988295, 20161976590]

約数ペア:

[(1, 20161976590), (2, 10080988295), (5, 4032395318), (7, 2880282370), (10, 2016197659), (14, 1440141185), (35, 576056474), (49, 411468910), (70, 288028237), (98, 205734455), (245, 82293782), (490, 41146891), (1523, 13238330), (3046, 6619165), (7615, 2647666), (10661, 1891190), (15230, 1323833), (21322, 945595), (27017, 746270), (53305, 378238), (54034, 373135), (74627, 270170), (106610, 189119), (135085, 149254)]