20882378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15042742

約数列:

[1, 2, 11, 22, 29, 58, 71, 142, 319, 461, 638, 781, 922, 1562, 2059, 4118, 5071, 10142, 13369, 22649, 26738, 32731, 45298, 65462, 147059, 294118, 360041, 720082, 949199, 1898398, 10441189, 20882378]

約数ペア:

[(1, 20882378), (2, 10441189), (11, 1898398), (22, 949199), (29, 720082), (58, 360041), (71, 294118), (142, 147059), (319, 65462), (461, 45298), (638, 32731), (781, 26738), (922, 22649), (1562, 13369), (2059, 10142), (4118, 5071)]