20428304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98213}}^1$

素因数の和:98234

約数の個数: 20

約数和(自身を含む): 42624876

約数和(自身を除く): 22196572

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98213, 196426, 392852, 785704, 1276769, 1571408, 2553538, 5107076, 10214152, 20428304]

約数ペア:

[(1, 20428304), (2, 10214152), (4, 5107076), (8, 2553538), (13, 1571408), (16, 1276769), (26, 785704), (52, 392852), (104, 196426), (208, 98213)]