20828043

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45377}}^1$

素因数の和:45403

約数の個数: 16

約数和(自身を含む): 32672160

約数和(自身を除く): 11844117

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45377, 136131, 408393, 771409, 1225179, 2314227, 6942681, 20828043]

約数ペア:

[(1, 20828043), (3, 6942681), (9, 2314227), (17, 1225179), (27, 771409), (51, 408393), (153, 136131), (459, 45377)]