20023179

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 32277504

約数和(自身を除く): 12254325

約数列:

[1, 3, 11, 23, 31, 33, 37, 69, 93, 111, 253, 341, 407, 529, 713, 759, 851, 1023, 1147, 1221, 1587, 2139, 2553, 3441, 5819, 7843, 9361, 12617, 16399, 17457, 19573, 23529, 26381, 28083, 37851, 49197, 58719, 79143, 180389, 215303, 290191, 541167, 606763, 645909, 870573, 1820289, 6674393, 20023179]

約数ペア:

[(1, 20023179), (3, 6674393), (11, 1820289), (23, 870573), (31, 645909), (33, 606763), (37, 541167), (69, 290191), (93, 215303), (111, 180389), (253, 79143), (341, 58719), (407, 49197), (529, 37851), (713, 28083), (759, 26381), (851, 23529), (1023, 19573), (1147, 17457), (1221, 16399), (1587, 12617), (2139, 9361), (2553, 7843), (3441, 5819)]