20992095

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1187}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 16643745

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1187, 1965, 3537, 3561, 5895, 5935, 10683, 17685, 17805, 32049, 53415, 155497, 160245, 466491, 777485, 1399473, 2332455, 4198419, 6997365, 20992095]

約数ペア:

[(1, 20992095), (3, 6997365), (5, 4198419), (9, 2332455), (15, 1399473), (27, 777485), (45, 466491), (131, 160245), (135, 155497), (393, 53415), (655, 32049), (1179, 17805), (1187, 17685), (1965, 10683), (3537, 5935), (3561, 5895)]