20657029146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157733}}^1$

素因数の和:157847

約数の個数: 64

約数和(自身を含む): 47062778112

約数和(自身を除く): 26405748966

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 73, 78, 138, 146, 219, 299, 438, 598, 897, 949, 1679, 1794, 1898, 2847, 3358, 5037, 5694, 10074, 21827, 43654, 65481, 130962, 157733, 315466, 473199, 946398, 2050529, 3627859, 4101058, 6151587, 7255718, 10883577, 11514509, 12303174, 21767154, 23029018, 34543527, 47162167, 69087054, 94324334, 141486501, 149688617, 264833707, 282973002, 299377234, 449065851, 529667414, 794501121, 898131702, 1589002242, 3442838191, 6885676382, 10328514573, 20657029146]

約数ペア:

[(1, 20657029146), (2, 10328514573), (3, 6885676382), (6, 3442838191), (13, 1589002242), (23, 898131702), (26, 794501121), (39, 529667414), (46, 449065851), (69, 299377234), (73, 282973002), (78, 264833707), (138, 149688617), (146, 141486501), (219, 94324334), (299, 69087054), (438, 47162167), (598, 34543527), (897, 23029018), (949, 21767154), (1679, 12303174), (1794, 11514509), (1898, 10883577), (2847, 7255718), (3358, 6151587), (5037, 4101058), (5694, 3627859), (10074, 2050529), (21827, 946398), (43654, 473199), (65481, 315466), (130962, 157733)]