20821758

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9613}}^1$

素因数の和:9656

約数の個数: 24

約数和(自身を含む): 43955208

約数和(自身を除く): 23133450

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9613, 19226, 28839, 57678, 182647, 365294, 547941, 1095882, 3470293, 6940586, 10410879, 20821758]

約数ペア:

[(1, 20821758), (2, 10410879), (3, 6940586), (6, 3470293), (19, 1095882), (38, 547941), (57, 365294), (114, 182647), (361, 57678), (722, 28839), (1083, 19226), (2166, 9613)]