16920840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 52678080

約数和(自身を除く): 35757240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 103, 111, 120, 148, 185, 206, 222, 296, 309, 370, 412, 444, 515, 555, 618, 740, 824, 888, 1030, 1110, 1236, 1369, 1480, 1545, 2060, 2220, 2472, 2738, 3090, 3811, 4107, 4120, 4440, 5476, 6180, 6845, 7622, 8214, 10952, 11433, 12360, 13690, 15244, 16428, 19055, 20535, 22866, 27380, 30488, 32856, 38110, 41070, 45732, 54760, 57165, 76220, 82140, 91464, 114330, 141007, 152440, 164280, 228660, 282014, 423021, 457320, 564028, 705035, 846042, 1128056, 1410070, 1692084, 2115105, 2820140, 3384168, 4230210, 5640280, 8460420, 16920840]

約数ペア:

[(1, 16920840), (2, 8460420), (3, 5640280), (4, 4230210), (5, 3384168), (6, 2820140), (8, 2115105), (10, 1692084), (12, 1410070), (15, 1128056), (20, 846042), (24, 705035), (30, 564028), (37, 457320), (40, 423021), (60, 282014), (74, 228660), (103, 164280), (111, 152440), (120, 141007), (148, 114330), (185, 91464), (206, 82140), (222, 76220), (296, 57165), (309, 54760), (370, 45732), (412, 41070), (444, 38110), (515, 32856), (555, 30488), (618, 27380), (740, 22866), (824, 20535), (888, 19055), (1030, 16428), (1110, 15244), (1236, 13690), (1369, 12360), (1480, 11433), (1545, 10952), (2060, 8214), (2220, 7622), (2472, 6845), (2738, 6180), (3090, 5476), (3811, 4440), (4107, 4120)]