20193503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 2546977

約数列:

[1, 11, 47, 139, 281, 517, 1529, 3091, 6533, 13207, 39059, 71863, 145277, 429649, 1835773, 20193503]

約数ペア:

[(1, 20193503), (11, 1835773), (47, 429649), (139, 145277), (281, 71863), (517, 39059), (1529, 13207), (3091, 6533)]