20907224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201031}}^1$

素因数の和:201050

約数の個数: 16

約数和(自身を含む): 42216720

約数和(自身を除く): 21309496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201031, 402062, 804124, 1608248, 2613403, 5226806, 10453612, 20907224]

約数ペア:

[(1, 20907224), (2, 10453612), (4, 5226806), (8, 2613403), (13, 1608248), (26, 804124), (52, 402062), (104, 201031)]