20764896

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1503

約数の個数: 48

約数和(自身を含む): 54883584

約数和(自身を除く): 34118688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1304, 1327, 1956, 2608, 2654, 3912, 3981, 5216, 5308, 7824, 7962, 10616, 15648, 15924, 21232, 31848, 42464, 63696, 127392, 216301, 432602, 648903, 865204, 1297806, 1730408, 2595612, 3460816, 5191224, 6921632, 10382448, 20764896]

約数ペア:

[(1, 20764896), (2, 10382448), (3, 6921632), (4, 5191224), (6, 3460816), (8, 2595612), (12, 1730408), (16, 1297806), (24, 865204), (32, 648903), (48, 432602), (96, 216301), (163, 127392), (326, 63696), (489, 42464), (652, 31848), (978, 21232), (1304, 15924), (1327, 15648), (1956, 10616), (2608, 7962), (2654, 7824), (3912, 5308), (3981, 5216)]