20187393

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4937}}^1$

素因数の和:5016

約数の個数: 16

約数和(自身を含む): 28442880

約数和(自身を除く): 8255487

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 4937, 14811, 143173, 232039, 429519, 696117, 6729131, 20187393]

約数ペア:

[(1, 20187393), (3, 6729131), (29, 696117), (47, 429519), (87, 232039), (141, 143173), (1363, 14811), (4089, 4937)]