20103447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 33241600

約数和(自身を除く): 13138153

約数列:

[1, 3, 7, 13, 21, 39, 91, 211, 273, 349, 633, 1047, 1477, 2443, 2743, 4431, 4537, 7329, 8229, 13611, 19201, 31759, 57603, 73639, 95277, 220917, 515473, 957307, 1546419, 2871921, 6701149, 20103447]

約数ペア:

[(1, 20103447), (3, 6701149), (7, 2871921), (13, 1546419), (21, 957307), (39, 515473), (91, 220917), (211, 95277), (273, 73639), (349, 57603), (633, 31759), (1047, 19201), (1477, 13611), (2443, 8229), (2743, 7329), (4431, 4537)]