16920057

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 28477440

約数和(自身を除く): 11557383

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 823, 979, 1869, 2469, 2937, 5761, 6853, 9053, 17283, 20559, 27159, 63371, 73247, 190113, 219741, 512729, 805717, 1538187, 2417151, 5640019, 16920057]

約数ペア:

[(1, 16920057), (3, 5640019), (7, 2417151), (11, 1538187), (21, 805717), (33, 512729), (77, 219741), (89, 190113), (231, 73247), (267, 63371), (623, 27159), (823, 20559), (979, 17283), (1869, 9053), (2469, 6853), (2937, 5761)]