20712696

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 33892104

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 157, 184, 239, 276, 314, 471, 478, 552, 628, 717, 942, 956, 1256, 1434, 1884, 1912, 2868, 3611, 3768, 5497, 5736, 7222, 10833, 10994, 14444, 16491, 21666, 21988, 28888, 32982, 37523, 43332, 43976, 65964, 75046, 86664, 112569, 131928, 150092, 225138, 300184, 450276, 863029, 900552, 1726058, 2589087, 3452116, 5178174, 6904232, 10356348, 20712696]

約数ペア:

[(1, 20712696), (2, 10356348), (3, 6904232), (4, 5178174), (6, 3452116), (8, 2589087), (12, 1726058), (23, 900552), (24, 863029), (46, 450276), (69, 300184), (92, 225138), (138, 150092), (157, 131928), (184, 112569), (239, 86664), (276, 75046), (314, 65964), (471, 43976), (478, 43332), (552, 37523), (628, 32982), (717, 28888), (942, 21988), (956, 21666), (1256, 16491), (1434, 14444), (1884, 10994), (1912, 10833), (2868, 7222), (3611, 5736), (3768, 5497)]