20661130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 45577728

約数和(自身を除く): 24916598

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 41, 46, 70, 82, 115, 161, 205, 230, 287, 313, 322, 410, 574, 626, 805, 943, 1435, 1565, 1610, 1886, 2191, 2870, 3130, 4382, 4715, 6601, 7199, 9430, 10955, 12833, 13202, 14398, 21910, 25666, 33005, 35995, 50393, 64165, 66010, 71990, 89831, 100786, 128330, 179662, 251965, 295159, 449155, 503930, 590318, 898310, 1475795, 2066113, 2951590, 4132226, 10330565, 20661130]

約数ペア:

[(1, 20661130), (2, 10330565), (5, 4132226), (7, 2951590), (10, 2066113), (14, 1475795), (23, 898310), (35, 590318), (41, 503930), (46, 449155), (70, 295159), (82, 251965), (115, 179662), (161, 128330), (205, 100786), (230, 89831), (287, 71990), (313, 66010), (322, 64165), (410, 50393), (574, 35995), (626, 33005), (805, 25666), (943, 21910), (1435, 14398), (1565, 13202), (1610, 12833), (1886, 10955), (2191, 9430), (2870, 7199), (3130, 6601), (4382, 4715)]