20584333

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 6787187

約数列:

[1, 7, 11, 23, 59, 77, 161, 197, 253, 413, 649, 1357, 1379, 1771, 2167, 4531, 4543, 9499, 11623, 14927, 15169, 31717, 49841, 81361, 104489, 127853, 267329, 348887, 894971, 1871303, 2940619, 20584333]

約数ペア:

[(1, 20584333), (7, 2940619), (11, 1871303), (23, 894971), (59, 348887), (77, 267329), (161, 127853), (197, 104489), (253, 81361), (413, 49841), (649, 31717), (1357, 15169), (1379, 14927), (1771, 11623), (2167, 9499), (4531, 4543)]