20019368

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19379032

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1439, 1739, 2878, 3478, 5756, 6956, 11512, 13912, 53243, 67633, 106486, 135266, 212972, 270532, 425944, 541064, 2502421, 5004842, 10009684, 20019368]

約数ペア:

[(1, 20019368), (2, 10009684), (4, 5004842), (8, 2502421), (37, 541064), (47, 425944), (74, 270532), (94, 212972), (148, 135266), (188, 106486), (296, 67633), (376, 53243), (1439, 13912), (1739, 11512), (2878, 6956), (3478, 5756)]