20139487

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 1875233

約数列:

[1, 19, 41, 103, 251, 779, 1957, 4223, 4769, 10291, 25853, 80237, 195529, 491207, 1059973, 20139487]

約数ペア:

[(1, 20139487), (19, 1059973), (41, 491207), (103, 195529), (251, 80237), (779, 25853), (1957, 10291), (4223, 4769)]