20543224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3727}}^1$

素因数の和:3799

約数の個数: 32

約数和(自身を含む): 42275520

約数和(自身を除く): 21732296

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3727, 5512, 7454, 14908, 29816, 48451, 96902, 193804, 197531, 387608, 395062, 790124, 1580248, 2567903, 5135806, 10271612, 20543224]

約数ペア:

[(1, 20543224), (2, 10271612), (4, 5135806), (8, 2567903), (13, 1580248), (26, 790124), (52, 395062), (53, 387608), (104, 197531), (106, 193804), (212, 96902), (424, 48451), (689, 29816), (1378, 14908), (2756, 7454), (3727, 5512)]