20160536

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 42373800

約数和(自身を除く): 22213264

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 121, 236, 242, 353, 472, 484, 649, 706, 968, 1298, 1412, 2596, 2824, 3883, 5192, 7139, 7766, 14278, 15532, 20827, 28556, 31064, 41654, 42713, 57112, 83308, 85426, 166616, 170852, 229097, 341704, 458194, 916388, 1832776, 2520067, 5040134, 10080268, 20160536]

約数ペア:

[(1, 20160536), (2, 10080268), (4, 5040134), (8, 2520067), (11, 1832776), (22, 916388), (44, 458194), (59, 341704), (88, 229097), (118, 170852), (121, 166616), (236, 85426), (242, 83308), (353, 57112), (472, 42713), (484, 41654), (649, 31064), (706, 28556), (968, 20827), (1298, 15532), (1412, 14278), (2596, 7766), (2824, 7139), (3883, 5192)]