20731746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15923}}^1$

素因数の和:15966

約数の個数: 32

約数和(自身を含む): 48918528

約数和(自身を除く): 28186782

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15923, 31846, 47769, 95538, 111461, 222922, 334383, 493613, 668766, 987226, 1480839, 2961678, 3455291, 6910582, 10365873, 20731746]

約数ペア:

[(1, 20731746), (2, 10365873), (3, 6910582), (6, 3455291), (7, 2961678), (14, 1480839), (21, 987226), (31, 668766), (42, 493613), (62, 334383), (93, 222922), (186, 111461), (217, 95538), (434, 47769), (651, 31846), (1302, 15923)]