20580112

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3467}}^1$

素因数の和:3535

約数の個数: 40

約数和(自身を含む): 46443456

約数和(自身を除く): 25863344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3467, 5936, 6934, 13868, 24269, 27736, 48538, 55472, 97076, 183751, 194152, 367502, 388304, 735004, 1286257, 1470008, 2572514, 2940016, 5145028, 10290056, 20580112]

約数ペア:

[(1, 20580112), (2, 10290056), (4, 5145028), (7, 2940016), (8, 2572514), (14, 1470008), (16, 1286257), (28, 735004), (53, 388304), (56, 367502), (106, 194152), (112, 183751), (212, 97076), (371, 55472), (424, 48538), (742, 27736), (848, 24269), (1484, 13868), (2968, 6934), (3467, 5936)]