20445178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41387}}^1$

素因数の和:41421

約数の個数: 16

約数和(自身を含む): 34765920

約数和(自身を除く): 14320742

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 41387, 82774, 538031, 786353, 1076062, 1572706, 10222589, 20445178]

約数ペア:

[(1, 20445178), (2, 10222589), (13, 1572706), (19, 1076062), (26, 786353), (38, 538031), (247, 82774), (494, 41387)]