20408148

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3167}}^1$

素因数の和:3356

約数の個数: 36

約数和(自身を含む): 51891840

約数和(自身を除く): 31483692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3167, 3222, 6334, 6444, 9501, 12668, 19002, 28503, 38004, 57006, 114012, 566893, 1133786, 1700679, 2267572, 3401358, 5102037, 6802716, 10204074, 20408148]

約数ペア:

[(1, 20408148), (2, 10204074), (3, 6802716), (4, 5102037), (6, 3401358), (9, 2267572), (12, 1700679), (18, 1133786), (36, 566893), (179, 114012), (358, 57006), (537, 38004), (716, 28503), (1074, 19002), (1611, 12668), (2148, 9501), (3167, 6444), (3222, 6334)]