20344568764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{320953}}^1$

素因数の和:321046

約数の個数: 48

約数和(自身を含む): 40763725632

約数和(自身を除く): 20419156868

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 53, 92, 106, 212, 299, 598, 689, 1196, 1219, 1378, 2438, 2756, 4876, 15847, 31694, 63388, 320953, 641906, 1283812, 4172389, 7381919, 8344778, 14763838, 16689556, 17010509, 29527676, 34021018, 68042036, 95964947, 191929894, 221136617, 383859788, 391241707, 442273234, 782483414, 884546468, 1564966828, 5086142191, 10172284382, 20344568764]

約数ペア:

[(1, 20344568764), (2, 10172284382), (4, 5086142191), (13, 1564966828), (23, 884546468), (26, 782483414), (46, 442273234), (52, 391241707), (53, 383859788), (92, 221136617), (106, 191929894), (212, 95964947), (299, 68042036), (598, 34021018), (689, 29527676), (1196, 17010509), (1219, 16689556), (1378, 14763838), (2438, 8344778), (2756, 7381919), (4876, 4172389), (15847, 1283812), (31694, 641906), (63388, 320953)]