20988236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12007}}^1$

素因数の和:12053

約数の個数: 24

約数和(自身を含む): 40346880

約数和(自身を除く): 19358644

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12007, 24014, 48028, 228133, 276161, 456266, 552322, 912532, 1104644, 5247059, 10494118, 20988236]

約数ペア:

[(1, 20988236), (2, 10494118), (4, 5247059), (19, 1104644), (23, 912532), (38, 552322), (46, 456266), (76, 276161), (92, 228133), (437, 48028), (874, 24014), (1748, 12007)]