20316590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12619}}^1$

素因数の和:12656

約数の個数: 32

約数和(自身を含む): 43614720

約数和(自身を除く): 23298130

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12619, 25238, 63095, 88333, 126190, 176666, 290237, 441665, 580474, 883330, 1451185, 2031659, 2902370, 4063318, 10158295, 20316590]

約数ペア:

[(1, 20316590), (2, 10158295), (5, 4063318), (7, 2902370), (10, 2031659), (14, 1451185), (23, 883330), (35, 580474), (46, 441665), (70, 290237), (115, 176666), (161, 126190), (230, 88333), (322, 63095), (805, 25238), (1610, 12619)]