20728522088

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{1427}}^1\times {\mathrm{18719}}^1$

素因数の和:20249

約数の個数: 32

約数和(自身を含む): 39296275200

約数和(自身を除く): 18567753112

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 1427, 2854, 5708, 11416, 18719, 37438, 74876, 138419, 149752, 276838, 553676, 1107352, 1815743, 3631486, 7262972, 14525944, 26712013, 53424026, 106848052, 213696104, 2591065261, 5182130522, 10364261044, 20728522088]

約数ペア:

[(1, 20728522088), (2, 10364261044), (4, 5182130522), (8, 2591065261), (97, 213696104), (194, 106848052), (388, 53424026), (776, 26712013), (1427, 14525944), (2854, 7262972), (5708, 3631486), (11416, 1815743), (18719, 1107352), (37438, 553676), (74876, 276838), (138419, 149752)]