20579976

素因数分解:

$2^3\times 3^2\times {\mathrm{193}}^1\times {\mathrm{1481}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 56064060

約数和(自身を除く): 35484084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 193, 386, 579, 772, 1158, 1481, 1544, 1737, 2316, 2962, 3474, 4443, 4632, 5924, 6948, 8886, 11848, 13329, 13896, 17772, 26658, 35544, 53316, 106632, 285833, 571666, 857499, 1143332, 1714998, 2286664, 2572497, 3429996, 5144994, 6859992, 10289988, 20579976]

約数ペア:

[(1, 20579976), (2, 10289988), (3, 6859992), (4, 5144994), (6, 3429996), (8, 2572497), (9, 2286664), (12, 1714998), (18, 1143332), (24, 857499), (36, 571666), (72, 285833), (193, 106632), (386, 53316), (579, 35544), (772, 26658), (1158, 17772), (1481, 13896), (1544, 13329), (1737, 11848), (2316, 8886), (2962, 6948), (3474, 5924), (4443, 4632)]