20089004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20333}}^1$

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 39854640

約数和(自身を除く): 19765636

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20333, 40666, 81332, 264329, 386327, 528658, 772654, 1057316, 1545308, 5022251, 10044502, 20089004]

約数ペア:

[(1, 20089004), (2, 10044502), (4, 5022251), (13, 1545308), (19, 1057316), (26, 772654), (38, 528658), (52, 386327), (76, 264329), (247, 81332), (494, 40666), (988, 20333)]