20837264

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8089}}^1$

素因数の和:8127

約数の個数: 40

約数和(自身を含む): 48151680

約数和(自身を除く): 27314416

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8089, 16178, 32356, 56623, 64712, 113246, 129424, 186047, 226492, 372094, 452984, 744188, 905968, 1302329, 1488376, 2604658, 2976752, 5209316, 10418632, 20837264]

約数ペア:

[(1, 20837264), (2, 10418632), (4, 5209316), (7, 2976752), (8, 2604658), (14, 1488376), (16, 1302329), (23, 905968), (28, 744188), (46, 452984), (56, 372094), (92, 226492), (112, 186047), (161, 129424), (184, 113246), (322, 64712), (368, 56623), (644, 32356), (1288, 16178), (2576, 8089)]