20679465

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 34577280

約数和(自身を除く): 13897815

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 347, 411, 435, 685, 1041, 1735, 2055, 3973, 5205, 10063, 11919, 19865, 30189, 47539, 50315, 59595, 142617, 150945, 237695, 713085, 1378631, 4135893, 6893155, 20679465]

約数ペア:

[(1, 20679465), (3, 6893155), (5, 4135893), (15, 1378631), (29, 713085), (87, 237695), (137, 150945), (145, 142617), (347, 59595), (411, 50315), (435, 47539), (685, 30189), (1041, 19865), (1735, 11919), (2055, 10063), (3973, 5205)]