20500636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 41122368

約数和(自身を除く): 20621732

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 244, 281, 299, 562, 598, 793, 1124, 1196, 1403, 1586, 2806, 3172, 3653, 5612, 6463, 7306, 12926, 14612, 17141, 18239, 25852, 34282, 36478, 68564, 72956, 84019, 168038, 222833, 336076, 394243, 445666, 788486, 891332, 1576972, 5125159, 10250318, 20500636]

約数ペア:

[(1, 20500636), (2, 10250318), (4, 5125159), (13, 1576972), (23, 891332), (26, 788486), (46, 445666), (52, 394243), (61, 336076), (92, 222833), (122, 168038), (244, 84019), (281, 72956), (299, 68564), (562, 36478), (598, 34282), (793, 25852), (1124, 18239), (1196, 17141), (1403, 14612), (1586, 12926), (2806, 7306), (3172, 6463), (3653, 5612)]