20191768

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 19091432

約数列:

[1, 2, 4, 8, 43, 79, 86, 158, 172, 316, 344, 632, 743, 1486, 2972, 3397, 5944, 6794, 13588, 27176, 31949, 58697, 63898, 117394, 127796, 234788, 255592, 469576, 2523971, 5047942, 10095884, 20191768]

約数ペア:

[(1, 20191768), (2, 10095884), (4, 5047942), (8, 2523971), (43, 469576), (79, 255592), (86, 234788), (158, 127796), (172, 117394), (316, 63898), (344, 58697), (632, 31949), (743, 27176), (1486, 13588), (2972, 6794), (3397, 5944)]