20927512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1051}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 41659200

約数和(自身を除く): 20731688

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 1051, 2102, 2489, 4204, 4978, 8408, 9956, 19912, 19969, 39938, 79876, 137681, 159752, 275362, 550724, 1101448, 2615939, 5231878, 10463756, 20927512]

約数ペア:

[(1, 20927512), (2, 10463756), (4, 5231878), (8, 2615939), (19, 1101448), (38, 550724), (76, 275362), (131, 159752), (152, 137681), (262, 79876), (524, 39938), (1048, 19969), (1051, 19912), (2102, 9956), (2489, 8408), (4204, 4978)]