20386028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1277}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 38575152

約数和(自身を除く): 18189124

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1228, 1277, 2554, 3991, 5108, 7982, 15964, 16601, 33202, 66404, 392039, 784078, 1568156, 5096507, 10193014, 20386028]

約数ペア:

[(1, 20386028), (2, 10193014), (4, 5096507), (13, 1568156), (26, 784078), (52, 392039), (307, 66404), (614, 33202), (1228, 16601), (1277, 15964), (2554, 7982), (3991, 5108)]