20437976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196519}}^1$

素因数の和:196538

約数の個数: 16

約数和(自身を含む): 41269200

約数和(自身を除く): 20831224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196519, 393038, 786076, 1572152, 2554747, 5109494, 10218988, 20437976]

約数ペア:

[(1, 20437976), (2, 10218988), (4, 5109494), (8, 2554747), (13, 1572152), (26, 786076), (52, 393038), (104, 196519)]