20394330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2731

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 35344038

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2687, 3795, 5374, 7590, 8061, 13435, 16122, 26870, 29557, 40305, 59114, 61801, 80610, 88671, 123602, 147785, 177342, 185403, 295570, 309005, 370806, 443355, 618010, 679811, 886710, 927015, 1359622, 1854030, 2039433, 3399055, 4078866, 6798110, 10197165, 20394330]

約数ペア:

[(1, 20394330), (2, 10197165), (3, 6798110), (5, 4078866), (6, 3399055), (10, 2039433), (11, 1854030), (15, 1359622), (22, 927015), (23, 886710), (30, 679811), (33, 618010), (46, 443355), (55, 370806), (66, 309005), (69, 295570), (110, 185403), (115, 177342), (138, 147785), (165, 123602), (230, 88671), (253, 80610), (330, 61801), (345, 59114), (506, 40305), (690, 29557), (759, 26870), (1265, 16122), (1518, 13435), (2530, 8061), (2687, 7590), (3795, 5374)]